In the expansion of \[{{\left( x-\frac{1}{x} \right)}^{6}}\], the constant term is [AMU 1982; MP PET 1984; MNR 1979]

In the expansion of \[{{\left( x-\frac{1}{x} \right)}^{6}}\], the co

1.	In the expansion of \[{{\left( x-\frac{1}{x} \right)}^{6}}\], the constant term is [AMU 1982; MP PET 1984; MNR 1979]
A.	-20
B.	20
C.	30
D.	-30
Answer» B. 20

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In the expansion of \[{{\left( x-\frac{1}{x} \right)}^{6}}\], the constant term is [AMU 1982; MP PET 1984; MNR 1979]

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