1.
Now expand and use the chain rule to differentiate it.
2. is similar.
3. Is it
I'm on to the next section of my book and i'm trying to figure out these from the HW, can't get any of the answers listed.
1) √(x(x-7))
A) √(x(x-7)(2x-7))
B) [(lnx+lnx(x-7))/2]
C) (1/2)((1/x) + 1/(x-7))
D) (√(x(x-7))/2)(1/x + 1/(x-7))
2) y=√(x/(x-5))
A) (1/2)(lnx-ln(x-5))
B) (1/2)√(X/(x-5))(1/x - 1/x(x-5))
C) (1/2)(1/x - 1/(x-5))
D) -5/2√(x/(x-5))
3) y=xsinx/√(x+2)
Thanks for any help!