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Question

The equation x2x1=12x1 has:

A
No root
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B
One root
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C
2 equal roots
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D
Infinite roots
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Solution

The correct option is A No root

Option (a)

x(x - 1) - 2 = (x - 1) - 2

x2x2=x12

x22x+1=0

(x1)2=0

x = 1.

x = 1 is the only solution but it will make the denominator 0

Hence, there are no roots.


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