?\times(\mid a \mid \times \mid b \mid)=-ab, where a, b > 0

Instructions

What will come in the place of question mark (?)

Question 78

$$?\times(\mid a \mid \times \mid b \mid)=-ab$$, where a, b > 0

Solution

|a| * |b| = |ab|

For this to be -ab, it has to be multiplied by -1.

So, option a) is the correct answer.

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