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The value of ∫(ex(1+x)dx/cos2) (ex *x) is equal to 

(1) tan(ex* x)+ c

(2) cot(ex/)+c

(3) -cot(exx ) +c

(4) tan(ex) +c

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Correct option (1) tan(ex* x)+ c


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asked Dec 3, 2019 in Mathematics by Annu03 (52.8k points)

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