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JEE MATHEMATICS MCQ: PERMUTATIONS

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Application +4 | -1

If

N

is the number of positive integral solution of

{x_1}{x_2}{x_3}{x_4} = 770

, then the value of

N

is

View answer and explanation

Correct option: D

256

Option D (256) is correct because each prime factor of 770 can be assigned to any of the four variables, resulting in 4⁴ possible solutions.

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