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)

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