Computer Science, asked by 7TeeN, 9 months ago

Find the points of inflexion for f(x) =(sinx+cosx)
$f(x) = (sinx + cosx) {e}^{x} \: where \: \\ belongs \: to \: 0 \: to \: 2\pi \:$
Discuss the concavity and convexity.

Answers

Answered by MRsteveAustiN

Given f(x)=(sinx+cosx)

f'(x)=cosx-sinx

f''(x)=-sinx-cosx

-(sinx+cosx)

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Answered by Aɾꜱɦ

Given f(x)=(sinx+cosx)

Given f(x)=(sinx+cosx)f'(x)=cosx-sinx

Given f(x)=(sinx+cosx)f'(x)=cosx-sinxf''(x)=-sinx-cosx

Given f(x)=(sinx+cosx)f'(x)=cosx-sinxf''(x)=-sinx-cosx-(sinx+cosx)

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Find the points of inflexion for f(x) =(sinx+cosx)Discuss the concavity and convexity.​

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Find the points of inflexion for f(x) =(sinx+cosx)
$f(x) = (sinx + cosx) {e}^{x} \: where \: \\ belongs \: to \: 0 \: to \: 2\pi \:$
Discuss the concavity and convexity.