CBSE Class 10 Answered
find the roots of the foll.equation
1/2x-3 + 1/x-5=1
Asked by | 30 Jan, 2012, 08:34: PM
Expert Answer
Taking LCM,
(x - 5 + 2x - 3)/ (2x - 3)(x - 5) = 1
3x - 8 = (2x - 3) (x - 5)
2x^2 - 16x + 23 = 0
Here, D = 256 - 4x2x 23 = 72
Using quadratic formula,
x = 8 + 3 sqrt(2) or
8 - 3 sqrt(2)
Answered by | 31 Jan, 2012, 10:11: AM
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