please show complete solution.

Logarithmic Differentiation Find the derivative of the following: 1. y= x(V1 - x3 ) 2. = 1+x 1-x 3 3. y= (x3+5)7 V4-x2 x-x-+6 sin x cos x 4. y= Vx3-4 (4x2-8x)3-(5-3x*+7x)* 5. V= (x2+x)3 6. y=. x-1 xtan x 7. y= (x - x2)2(x3 + x* )3(x6 -x5)+ x(1-x) (1+x) 8. y= (x=-1) (5-x)