Math, asked by adityarana1, 1 year ago

please answer this question

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Indu9156: Answer X = 4

Answers

Answered by hitarthgodhani
1
2401 can written as 7*7*7*7 =7^4
root 2401= root(7^x)
root(7^4) = root(7^x)
squaring both sides,
7^4=7^x
comparing the powers, we get,
4=x

hope this helps!
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Answered by aman190k
1
Hey here is your answer
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 \sqrt{2401} = \sqrt{ {7}^{x} } \\ \\ \sqrt{ {49}^{2} } = \sqrt{ {7}^{x} } \\ \\ 49 = \sqrt{ {7}^{x} }\\ \\ {( {7}^{2} )}^{2} = {7}^{x} \\ \\ {7}^{4} = {7}^{x} \\ \\ x = 4
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Indu9156: nice presentation
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