Question

help

Answer 1

Always choose C

Answer 2

\[ (\int\limits_{0}^{\Pi/2}\sin ^{7}\Theta \times \cos ^{3}\Theta \times d \Theta \int\limits_{0}^{\Pi/2}\sin ^{3}\alpha \times \cos ^{3}\alpha \times d \alpha ) =?\]

Answer 3

Let u=sin x. For more help, watch this lecture beginning at about 11 mins http://www.youtube.com/watch?v=Bv9kVDcj7yo&feature=BFa&list=PL590CCC2BC5AF3BC1&index=24

Answer 4

i need solution please...

Answer 5

It's your homework, figure it out

Answer 6

solution is abc/1440, but i don't know how... i don't have so much time