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Question

The value of limx(x+x+xx) is

A
12
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B
1
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C
0
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D
none of these
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Solution

The correct option is A 12
limx(x+x+xx)
=limx(x+x+xx).x+x+x+xx+x+x+x
=limxx+xx+x+x+x

Divide numerator and denominator by x

=limx1+1/x1+1/x+1/x2+1=11+1=12

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