Simplify when possible

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

Simplify when possible. The answers are in Chapter 23, starting on page 464. 18. Find

\frac{d y}{d t}

if

y=\left(x^{6}-6 x^{5}\right)\left(5 x^{2}+x\right)

and

x=\sqrt{t}

.

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