Simplify I need ans I getting difficulty. So please anyone give the solution
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simplify
3^n x 9^n+1
3^n-1 x 9^n-1
formula used here is:
a^m x a^n = a^m+n
a^m / a^n = a^m-n
so,
3^n x 9 ^ n+1 = 3^[n -(n-1)] x 9 ^ [n+1 - (n-1)]
3^n-1 x 9^n-1
= 3^1 x 9 ^2
= 3 x 81
= 243
mustafamaherroyal786:
Thanks sir
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