Differentiability - Cheenta Academy

Tagged: Differentiability

This topic has 1 reply, 2 voices, and was last updated 5 years ago by Shirsendu Roy.

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May 30, 2020 at 12:41 pm #71893
Shreya Nair
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June 13, 2020 at 8:13 pm #73368
Shirsendu Roy
Spectator
f'(x)f(x)<0
caseI
f(x)<0, f'(x)>0
f(x) is increasing
|f(x)| taken and found decreasing
case II
f(x)>0, f'(x)<0
f(x) is decreasing
|f(x)| taken and found decreasing
so, |f(x)| must be decreasing.
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