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Question

How many roots the equation x2x1=12x1 have

A
One
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B
Two
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C
Infinite
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D
None
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Solution

The correct option is D None
If x1, multiplying each term by (x1),
the given equation reduces to x(x1)=(x1)
or (x1)2=0 or x=1,
Which is not possible as considering x1.
Thus, given equation has no root.

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