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The equation x-2//x-1=1-2//x-1 has a. no...

The equation `x-2//x-1=1-2//x-1` has a. no root b. one root c. two equals roots d. Infinitely many roots

A

no roots

B

one root

C

two equal roots

D

infinite roots.

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A DAS GUPTA-Equations, Inequation and Expressions-Exercise
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  15. The difference between the roots of the equation x^(2) + kx + 1=0 is ...

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  18. The expression a^2x^2+bx+1 will be positive for all x in R if

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