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Question

limx1(2x3)(x1)(2x2+x3) =
[IIT 1977]


A

-1/10

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B

1/10

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C

-1/8

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D

None of these

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Solution

The correct option is A

-1/10


limx1(2x3)(x1)(2x2+x3)

On rationalisation -

limx1(2x3)(x1)×(x+1)(x1)(2x+3)×(x+1)

= 15.2

= 110


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