Math, asked by harishmeena8, 3 months ago

Under root 81 please value to example

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Answers

Answered by nikhil8239
0

Answer:

Explanation: 81=9⋅9 then the square root of √81=9 . Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign 81=(−9)⋅(−9) then √81=−9 and we can say that √81=±9 .

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