যদি A একটি \( 2 \times 2 \) ম্যাট্রিক্স এবং \( \operatorname{det}(A)=5 \) হয়, তবে \( \operatorname{det}(3 A)=? \)

A 15

B 25

C 45

D 90

Solution

Correct Answer: Option C

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