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Question

limx{x2+a2x2a2}=

A
a2
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B
2a2
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C
0
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D
a2
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Solution

The correct option is C 0
limx{x2+a2x2a2}
=limx(x2+a2x2a2)x2+a2+x2a2x2+a2+x2a2
=limx2a2x2+a2+x2a2
=2a2=0

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