Question

find the value of n for 9^n+1 -9^n =72​

Answer 1

Answer:

step by step Explanation :

= 9^n+1-9^n =72

= 9^n+1-9^n=(2)^3*(3)^2

= hence ,

= n+1-n=3+2

= n-n = 3+2-1

= 3+2-1

= 3+1

= 4

so, the value of "n" is 4

Answer 2

Answer:

n = 1

Step-by-step explanation:

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