1.

If n is natural number than 5^2n-2^2n is divisible by

Answer»

Step-by-step EXPLANATION:

let, n = 1

then,

{5}^{2n}  -   {2}^{2n} \\  =  {5}^{2 \times 1}  -  {2}^{2 \times 1}  \\  =  {5}^{2}  -  {2}^{2}  \\  = 25 - 4 \\  = 21 \\  = 7 \times 3

therefore, the given EXPRESSION is divisible by 7 or 3

hope it'll HELP you.



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