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Let f(x)=x^(13)+x^(11)+x^(9)+x^(7)+x^(5)...

Let `f(x)=x^(13)+x^(11)+x^(9)+x^(7)+x^(5)+x^(3)+x+19`. Then `f(x)=0` has

A

13 real roots

B

only one positive and only two negative real roots

C

not more than one real root

D

has two positive and one negative real root

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-Multiple Choice Questions
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  12. int(0)^(100)e^(x-[x])dx =

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