(√32 - 3)² + 6√32 = (√32)² - 6√32 + 9 + 6√32 = 32 + 9 = 41
16) f(x)=(9x+5)⁸
f(x)' =8(9x+5)⁷ * 9=72*(9x+5)⁷
17) f(x)=√(2x¹⁶+x³+6)
f(x)' = <u> 1 </u> * (32x¹⁵+3x²) = <u> 32x¹⁵+3x² </u>
2√(2x¹⁶+x³+6) 2√(2x¹⁶+x³+6)
18) f(x)= <u> 1 </u>
sinx
f(x)' = - <u> 1 </u>* (sinx)' = -<u> cosx</u>
sin²x sin²x
19) f(x)=cos6x
f(x)'=-6sinx
21) f(x)=(x¹¹-2x+3)⁶+8x²
f(x)' =6(x¹¹-2x+3)⁵ * (11x¹⁰-2)+16x=(66x¹⁰-12)(x¹¹-2x+3)⁵+8x²
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