The coefficient of \[{{x}^{83}}\] in \[{{(1+x+{{x}^{2}}+{{x}^{3}}+{{x}^{4}})}^{n}}\]\[{{(1-x)}^{n+3}},is-{{\,}^{n}}{{C}_{2\lambda }}\], then find the value of \[\lambda \]

The coefficient of \[{{x}^{83}}\] in \[{{(1+x+{{x}^{2}}+{{x}^{3}}+{{x}

1.	The coefficient of \[{{x}^{83}}\] in \[{{(1+x+{{x}^{2}}+{{x}^{3}}+{{x}^{4}})}^{n}}\]\[{{(1-x)}^{n+3}},is-{{\,}^{n}}{{C}_{2\lambda }}\], then find the value of \[\lambda \]
A.	12
B.	10
C.	9
D.	8
Answer» E.

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The coefficient of \[{{x}^{83}}\] in \[{{(1+x+{{x}^{2}}+{{x}^{3}}+{{x}^{4}})}^{n}}\]\[{{(1-x)}^{n+3}},is-{{\,}^{n}}{{C}_{2\lambda }}\], then find the value of \[\lambda \]

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