Math, asked by choudharydilip213, 3 months ago

5^x-1X2^x+1=400 find the value of x

Answers

Answered by nihaalarfin1

0

Answer:

x = 133

Step-by-step explanation:

5^x - 2^x + 1 = 400

=> 5^x - 2^x = 400 - 1

=> 3x = 399

= x = 399/3 = 133

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