1.

If 6 A × B = A 8 B, then the value of A – B is(a) –2 (b) 2 (c) –3 (d) 3

Answer»

The correct answer is option (a) -2

Explanation:

Given that, 6 A × B = A 8 B

So, AB = B

Therefore A = 1

Now substitute A = 1 in the given equation

6B = A8

6B = 18

B = 18/6 = 3

Now, A – B = 1 -3 = -2



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