Q6 of 7 Page 200

If 27 to the power x = 9/3 to the power x. Find x.

Here we use laws of e×ponents :


Given:




⇒ 33x × 3x = 32 [ since ( am)n = amn ]


⇒ 3(3x + x) = 32 [ since am × an = am + n ]


⇒ 34× = 32


⇒ 4x = 2 [ since If am = an then m = n ]




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