Explain why differentiating the equation with respect to yields the term (and not…

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

Problem

Explain why differentiating the equation

x^{2}+y^{2}=1

with respect to

x

yields the term

2y\,\dfrac{dy}{dx}

(and not merely

2y

) when differentiating

y^{2}

.

Related theory

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