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LOGARITHM HELP (1 Viewer)

Dylanamali

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Solve for x: 2x^23x+1 = 108.

Solve for x: (square root of 2)x^2 = 8x/4







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deswa1

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For 1...

Take logs of both sides. Seperate the LHS into sums of logs. Turn it into a quadratic by 'pulling' the powers down. Solve the quadratic.

Good luck
 

Dylanamali

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thanks everyone.

Another question:

f(x) = 2x + Inx, find f-1(2). Give reasons.
 

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