Question

Evaluate the derivative of y = 4sin^-1 (x/2) + x sqrt(4 -x^2)

a. sqrt(4 - x^2)

b. 3sqrt(4 - x^2)

c. 2sqrt(4 - x^2)

d. 4sqrt(4 - x^2)

Answer 1

i getting y' = 2sqrt(4 - x^2) =letter c can u check it guys pls

Answer 2

Check out this website called Wolfram Alpha. It can help you a lot! http://www.wolframalpha.com/input/?i=d%2Fdx+4sin%5E-1+%28x%2F2%29+%2B+x+sqrt%284+-x%5E2%29

Answer 3

well thanks