Question

5 raise to 2 X + 1 equal to 6 into 5 raise to x minus one

Answer 1

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Secondary School Math 5 points

If 5 raised to 2 x minus 1 minus 25 raise to x minus 1 equals to 2500 find x

Ask for details Follow Report by Rd16 03.02.2018

Answers

rohitkumargupta

rohitkumargupta Genius

HELLO DEAR,

{5}^{(2x - 1)} - {25}^{(x - 1)} = 2500 \\ = > {5}^{2x} \times \frac{1}{5} - {(5)}^{2(x - 1)} = 2500 \\ = > {5}^{2x } \times \frac{1}{5} - {5}^{2x} \times \frac{1}{ {5}^{2} } = 2500 \\ = > {5}^{2x} \times \frac{1}{5} (1 - \frac{1}{5} ) = 2500 \\ = > {5}^{2x} \times \frac{4}{5 \times 5} = 2500 \\ = > {5}^{2x} = \frac{2500 \times 25}{4 } \\ = > {5}^{2x} = \frac{25 \times 25 \times 100}{4} \\ = > {5}^{2x} = {5}^{2} \times {5}^{2} \times {5}^{2} \\ = > {5}^{2x} = {5}^{2 \times 3} \\ = > now \: compering \: we \: get \\ = > 2x = 2 \times 3 \\ = > x = 3

I HOPE ITS HELP YOU DEAR,

THANKS

Answer 2

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