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JEE MATHEMATICS MCQ: PERMUTATIONS

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Analyzing +4 | -1

If

E=\frac{1}{4} \cdot \frac{2}{6} \cdot \frac{3}{8} \cdot \frac{4}{10} \ldots \frac{30}{62} \cdot \frac{31}{64}=8^x

, then value of

x

is

View answer and explanation

Correct option: D

-12

Option D (-12) is correct because after simplifying the expression for E, it becomes

2^{-36}

which is equivalent to

8^{-12}

.

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