1.

In the expansion of \[{{(1+x+{{x}^{3}}+{{x}^{4}})}^{10}},\] the coefficient of \[{{x}^{4}}\] is [MP PET 2000]

A. \[^{40}{{C}_{4}}\]
B. \[^{10}{{C}_{4}}\]
C. 210
D. 310
Answer» E.


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