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Find the Value of X for Which 52x ÷ 5−3 = 55. - Mathematics

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Question

Find the value of x for which 52x ÷ 5−3 = 55.

Sum

Solution

We have:
`5^(2x)div5^(-3)=5^5`

`5^(2x+3)=5^5` `->a^mdiva^n=a^(m-n)`

2x + 3 = 5

2x = 2

x = 1

Hence, x is 1.

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Chapter 2: Powers - Exercise 2.2 [Page 19]

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RD Sharma Mathematics [English] Class 8
Chapter 2 Powers
Exercise 2.2 | Q 14 | Page 19

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