Math, asked by harshit3637, 9 months ago

Find the greatest number by which the expression 7^2n-3^2n is always exactly divisible

Answers

Answered by sudiptavijay04

5

Step-by-step explanation:

In the given expression7^2n−3^2n

If n=1 then ⇒7^2−3^2

⇒49−9=40

which is divisible by 40

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