Which one of the following is the minimum value of the sum of two integers whose product is 36?
A. 37
B. 20
C. 15
D. 12
E. none of these
Explanation: 36 এর factors হতে পারে \(6 \times 6\), \(4 \times 9\), \(18 \times 2\) এবং \(36 \times 1\)। এই factors গুলোর যোগফলের minimum value হল \((6+6) = 12\).
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