Question

Solution

Correct option is

Using   Cr = Cn–r, we write (1) in the reverse order to obtain

            

Adding (1) and (2), we get

         

               

SIMILAR QUESTIONS

Q1

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

Q2

 divided by 7 is

Q3

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

Q4

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

 

Q5

 is a polynomial of degree

Q6

 is a polynomial of degree

Q8

If n > I then value of the expression is