Question

koi bata do jaha pe arrow hai waha pr kya hua hai?
Wrong answers will be reported​

Answer 1

Answer:

We have taken 3^3n common from 3^3n×3^2-3^3n

Step-by-step explanation:

At that place there was

3^3n×3^2-3^3n×1

when we had taken 3^3n common from this

3^2-1 was left.

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