Question

Tentukan Hp darilogx + log(2x-1) = 1

Answer 1

Log x + log (2x-1) = log 10
log x(2x-1) = log 10
2x^2 - x = 10
2x^2 - x - 10 = 0
(2x-5)(x+2) = 0
x= 5/2 atau x=-2, karena x>1, maka x= 5/2