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JEE MATHEMATICS MCQ: PERMUTATIONS

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Application +4 | -1
Total number of positive integral solutions of x1+x3+2x3=15x_1+x_3+2 x_3=15 is equal to
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Correct option: A
42
Option A (42) is correct because it represents the total number of positive integral solutions for the given equation after considering the possible values of x3.

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