In calculus, why can we treat the dy and dx as if they are parts of fractions, multiplying both sides by dx in separable differential equations for instance.

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asked Mar 11, 2020 108k views

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CryptoKitty · Answer 1 · 2020-03-18T09:50:32+0000

Answer:

Because they are fractions. Although the purists will probably object there is no reason why we can't regard dy and dx as meaning a 'very very small bit of x and y'.

Explanation:

In calculus, why can we treat the dy and dx as if they are parts of fractions, multiplying both sides by dx in separable differential equations for instance.

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