Question

Sum of the coefficients of terms of degree 13 in the expansion of (1 + x)¹¹ (1 + y2 – z)^10 is :-

(1) 10C3
(2) 10C4
(3) 11C3
(4) 11C4​

Answer 1

Answer:

1 .........

Step-by-step explanation:

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Answer 2

Answer:

10c3 is the right answer