(3^n + 3^n+1) ÷ (3^n+1 - 3^n) =
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(3^n + 3^n+1) ÷ (3^n+1 - 3^n)
= (3^n + 3^n × 3) ÷ (3^n × 3 - 3^n)
=3^n( 1+3) ÷ 3^n(3-1)
=4÷2 = 2
= (3^n + 3^n × 3) ÷ (3^n × 3 - 3^n)
=3^n( 1+3) ÷ 3^n(3-1)
=4÷2 = 2
Brailyguru:
answer is 17
no the answer is correct
Is my answer wrong
I can't understand the third step
I took 3^n common
thats only the write answer is 2
How in third step (1+3) came
3^n is taken as common
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how ×3 came
3^n+1 = 3^n + 3
× 3*
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