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JEE MATHEMATICS MCQ: PERMUTATIONS

1 Easy

1 of 1

Application +4 | -1

Let

S=\left\{\left[\begin{array}{cc}18 & a \\ b & 25\end{array}\right]: a, b \in {N}\right\}

The number of singular matrices in

S

is

View answer and explanation

Correct option: A

18

Option A (18) is correct because it represents the number of divisors of the determinant that make the matrix singular.

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