COMEDK · Maths · 7. Binomial Theorem
The total number of terms in the expansion of \((x+y)^{60}+(x-y)^{60}\) is
- A 60
- B 61
- C 30
- D 31
Answer & Solution
Correct Answer
(D) 31
Step-by-step Solution
Detailed explanation
\(\begin{aligned}(x+y)^{60}={ }^{60} C_0 x^{60}-{ }^{60} C_1 x^{59} y+\ldots . . & \\ & +{ }^{60} C_{60} y^{60} \ldots(\mathrm{i})\end{aligned}\) By adding Eq. (i) and Eq. (ii)…
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