Class 9 Maths

Number System

part 4

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Question : Finnd the value of x inn each of the following :
(i) 2^5x ÷ 2 ^x = $$ \sqrt[5]{2 ^{20}} $$
(ii) 2^x-7 * 5^x-4 = 1250
(iii) 2^x-5 * 5^x-4 = 5

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