Coefficient of \[{{x}^{2}}\] in the expansion of \[{{\left( x-\frac{1}{2x} \right)}^{8}}\] is [UPSEAT 2002]

Coefficient of \[{{x}^{2}}\] in the expansion of \[{{\left( x-\frac{1}

1.	Coefficient of \[{{x}^{2}}\] in the expansion of \[{{\left( x-\frac{1}{2x} \right)}^{8}}\] is [UPSEAT 2002]
A.	\[\frac{1}{7}\]
B.	\[\frac{-1}{7}\]
C.	-7
D.	7
Answer» D. 7

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Coefficient of \[{{x}^{2}}\] in the expansion of \[{{\left( x-\frac{1}{2x} \right)}^{8}}\] is [UPSEAT 2002]

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