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If y = e^x + sin x , then d^2 x/dy2^ is equal to

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If y = ex + sin x , then d2x/dy2 is equal to

(a)  ex – sin x

(b)  –(ex + cos x)–2

(c)  –(ex – sin x ) (ex + cos x)–2

(d)  (sin x – ex) (cos x + ex) –3

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Correct option  (d) (sin x – ex ) (cos x + ex) –3

Explanation:

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