If you slove log X 9= 2 then u get X=+-3 it is true? justify. – InterviewSolution

1.	If you slove log X 9= 2 then u get X=+-3 it is true? justify.
Answer» a x= x ln a to move the unknown value down in FRONT of the ln. TAKE the terms in x to one side of the equation and other terms to the other side. Simplify using the rules for indices. Finally take the log of both SIDES to move the x down and SOLVE.

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