plzzz solve it fast no. vii in the following image through logarithm
solve it by showing all the steps
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log{ ( x -2)(x +3) base 6 } = 1
(x -2)(x +3) = 6¹ = 6
x² + x - 6 = 6
x² + x -12 = 0
x² + 4x -3x -12 = 0
x(x +4) -3(x +4) = 0
(x -3) (x +4) = 0
x = 3 , -4
now for log to be defined ,
(x -2)(x +3) > 0
x > 2 or x < -3
so, x = 3 and -4 both are solutions .
(x -2)(x +3) = 6¹ = 6
x² + x - 6 = 6
x² + x -12 = 0
x² + 4x -3x -12 = 0
x(x +4) -3(x +4) = 0
(x -3) (x +4) = 0
x = 3 , -4
now for log to be defined ,
(x -2)(x +3) > 0
x > 2 or x < -3
so, x = 3 and -4 both are solutions .
hrik21:
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