"Like if I have 5 tshirts and i want to gift them to my 5 cousins named A,B,C,D,E, so find number of ways in which particular cousin won't get their particular tshirts." So number of ways: D(n)=n!*(1-1/1!+1/2!-1/3!+.....(-1)^n*1/n!)) Where...
This is the question that is generally asked for students. So according to me ," mathematics is completely the study of nature. Mathematics is everywhere, in physics, in chemistry and in our daily life....
VOLUME OF THE CONE If, r=radis of the cone h= perpendicular height Then, 1)The volume of the cone =( 1/3 )πr2h Ex- If,r=14 cm, h=15cm, then 1)The volume of the cone =( 1/3 )πr2h ...