(2 n-indl the alue

1.	(2 n-indl the alue
Answer» 25^(n-1) + 100 = 5^(2n - 1)5^(2n - 2) + 5^2.2^2 = 5^(2n-1)5^2.2^2 = 5^(2n-1) - 5^(2n - 2)5^2.2^2 = 5^(2n-2)[5 - 1]5^2.2^2 = 5^(2n-2).45^2. 4 = 5^(2n-2).45^2 = 5^(2n - 2)2 = (2n - 2)2n = 4n = 4/2 = 2 Therefore value of n = 2

Answer»

25^(n-1) + 100 = 5^(2n - 1)5^(2n - 2) + 5^2.2^2 = 5^(2n-1)5^2.2^2 = 5^(2n-1) - 5^(2n - 2)5^2.2^2 = 5^(2n-2)[5 - 1]5^2.2^2 = 5^(2n-2).45^2. 4 = 5^(2n-2).45^2 = 5^(2n - 2)2 = (2n - 2)2n = 4n = 4/2 = 2

Therefore value of n = 2

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(2 n-indl the alue

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