Q. 31. Find for x
1÷x-2 + 2÷x-1 = 6÷x where x not equal to 0,1,2
A [Board Outside Delhi Comptt. Set-I, D 2017]
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Answer: -1
Step-by-step explanation:
1/x-2 + 2/x-1 = 6/x
= (1-2x)/x + (2-x)/x = 6/x ( by multiplying 1/x)
we get ,
= 1-2x + 2-x = 6.
= 3-3x = 6
= -3x = 6 -3
= -3x = 3
= x = 3/-3
= x = -1
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