Processing math: 100%

Chain Rule & Integration by Substitution

Review question

Can we find the minimum value of x2+2/x for x positive?

Ref: R5640

  1. Find and simplify the coefficient of x7 in the binomial expansion of (x2+2x)8.

  2. Calculate the minimum value of x2+2x for positive values of x.

  3. Given that y=(x2+2x)8, find the value of dydx when x=1.