The function is defined for

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

The function

k(x)=\dfrac{e^{2x}}{x}

is defined for

x\neq 0

. For which of the following values of

x

does the graph of

k

have a horizontal tangent line? (a)

-0.5

(b)

0.5

(c)

0

(d)

1

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