UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Take Class 10 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Book a Free Demo

Class 10 > Learn Mathematics > If the 3rd and the 9th terms of an A.P are 4 and -8...
✕

Search in

If the 3rd and the 9th terms of an A.P are 4 and -8 respectively, which term of this A.P is zero?

Asked by Last Modified  

1 Answer

Learn Mathematics +2 Class IX-X Tuition Progressions

Follow 0
Answer

Please enter your answer

Tutor

Let the first term and the common difference are a and b. So, the third term: t3=a + 2b=4. and, the 9th term: t9=a + 8b=-8. So, t9 - t6=6b = -8 - 4=-12 --> b = - 2. So, from the expression of t3, we get: a = 4 - 2b = 4 + 4 = 8. Let us consider that the nth term is zero. So: tn...
read more
Let the first term and the common difference are a and b. So, the third term: t3=a + 2b=4. and, the 9th term: t9=a + 8b=-8. So, t9 - t6=6b = -8 - 4=-12 --> b=- 2. So, from the expression of t3, we get: a=4 - 2b=4 + 4=8. Let us consider that the nth term is zero. So: tn=a + (n-1)b = 0 --> 8 + (n-1)(-2) = 0 --> 8 -2n +2 = 0 --> 2n=10 --> n = 5. Answer: The 5th term of the series is zero. read less
Comments
Dislike Bookmark

Related Questions

What are the benefits of self-studying in class 9?
Self study is a must even if you attend coaching or take a tuition. It will help you understand, learn and reflect effeciently.
Nazia
0 0
8
Is it necessary to join a tuition class in class 10?
It is not necessary but if you have any doubts, you should clear it with your family person or a tutor. If your basics are clear you can practice through reference books.
Harsha
0 0
7
Find three numbers in A.P. whose sum is 21 and their product is 231.
Let, three numbers are (a-d), a, (a+d) So, (a-d)+a+(a+d)=21 => a=7 Again, (7-d)×7×(7+d)=231 => (7-d)×(7+d)=231÷7 => 7^2 - d^2 = 33=> d^2 = 49 - 33=> d^2 = 16=> d = 4 So, the numbers are 7-4= 3, 7 and 7+4=11
Laxmi
0 0
5
Why is algebra taught in high school?
Algebra provides a foundation for understanding advanced mathematical concepts and is crucial for various fields such as science, engineering, economics, and computer science
Darshan
0 0
7
How do I score 90 marks in Maths for CBSE in class 10?
Just go through your text books,solved examples.concepts should be clear for each topic.try to do more practice in each topic from initially so that no burden will left further.
Navneet

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Area of the Triangle Using Base & Height
HOW TO FIND THE AREA OF THE TRIANGLE WHEN BASE & HEIGHT ARE GIVEN if the base of the triangle = b and height of the triangle = h then, area of the triangle = (1/2) x b xh square units Ex:- if...

Ramakrishna Dhooli

1 0
0
Chemistry Concept
Chemistry Concept. Overview; Acid-Base Reactions; Buffers; Catalysis; ChemicalEquilibrium; Empirical and Molecular Formulas; Electrochemistry; Electrolysis; Electron Quantum

Manibhushan K.

0 0
0
Mathematics Materials For Students of Class 8 , Class 9 , Class 10

Parijat Bhattacharyya

0 0
0
Mathematics
Find the value of x. Xx-4=64

Alok Kumar

2 0
0
How to remember the formulas while writing the exam?
Whatever we have learnt, it is very important to produce in the exam, so that we can score the best scores/grades/marks. 1) Understand the concepts 2) Try to make some easy way to remember For example:...

Vijayasree R.

1 0
0

Recommended Articles

Quest Academy - Institute of the month

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Meet Swati, a Hindi Tutor from Bangalore

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Find Class X Tuition near you
Class X Tuition in Delhi
Class X Tuition in Bangalore
Class X Tuition in Hyderabad
Class X Tuition in Kolkata
Class X Tuition in Mumbai
Class X Tuition in Chennai
Class X Tuition in Pune
Class X Tuition in Noida
Class X Tuition in Lucknow
Class X Tuition in Jaipur
Online Tuition Class 10

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 10 Tuition Classes?

The best tutors for Class 10 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 10 Tuition with the Best Tutors

The best Tutors for Class 10 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2024All Rights Reserved