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Question

 is a polynomial of degree

Solution

Correct option is

16

Using (a + b)7 – (a – b)7

                                                                                         

which is a polynomial of degree 16.

SIMILAR QUESTIONS

Q1

Sum of the last 30 coefficients in the expansion of (1 + x)59 when expanded in ascending powers of x is

Q2

 then k is equal to:

Q3

 is maximum when m is

Q4

If ω ≠ 1 is a cube root of unity and (ω + x)n = 1 + 12ω + 69ω +…. Then values of n and x are respectively.

Q5

If ω ≠ 1, is nth root of unity, and  then value of x is

Q6

The remainder when  (24 times 5) is divided by 24 is

Q7

 divided by 7 is

Q8

If in the expansion of (a – 2b)n. the sum of 4th and 5th term is 0, then value of  is

Q9

The coefficient of t50 in (1 + t2)25 (1 + t25) (1 + t40) (1 + t45(1 + t47)……(1) is

 

Q10

 is a polynomial of degree