Math, asked by hafis1, 1 year ago

9x^2+(9/x^2) what is the solution

Answers

Answered by cooldab
1
9x^2+(9/x^2)   =    3x^2+[3/x]^2        remember a^2 + b^2 = [a+b][a-b]
[3^x+3/x][3^x-3/x]
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