a Find the exact value of x for which: i 212x = 0:5 ii logx 7=5 b Solve for x: 25x

Chapter 25, Problem 60

(choose chapter or problem)

a Find the exact value of x for which: i 212x = 0:5 ii logx 7=5 b Solve for x: 25x 6(5x)+5=0. c If 2x = 31x, show that x = log6 3.

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