# NCERT Class 11-Math's: Chapter –8 Binomial Theorem Part 10

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**Question 23:**

If A and B are coefficient of in the expansions of and respectively, then equals

(A)

(B)

(C)

(D)

**Answer: (B)**

**Question 24:**

If the middle term of is equal to , then value of is

(A)

(B)

(C)

(D)

**Answer: (C)**

**Fill in the blanks in Exercises 25 to 33.**

**Question 25:**

The largest coefficient in the expansion of is _________________ .

**Answer:**

**Question 26:**

The number of terms in the expansion of _________________ .

**Answer:**

**Question 27:**

In the expansion of , the value of constant term is _____________.

**Answer:**

**Question 28:**

If the seventh terms from the beginning and the end in the expansion of are equal, then n equals _________________ .

**Answer:**

**Question 29:**

The coefficient of in the expansion of is ____________.

**Answer:**

**Question 30:**

Middle term in the expansion of is _________ .

**Answer:**

**Question 31:**

The ratio of the coefficients of and in the expansion of is _________

**Answer: (1)**