then N Must Be Equal To

Why Kaysons ?

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

SPEAK TO COUNSELLOR ? CLICK HERE

Question

 

 then n must be equal to

Solution

Correct option is

21, 22

For R.H.S. to be a polynomial of degree 10, the last term of R.H.S. must

Thus can happen if n = 21 or 22

SIMILAR QUESTIONS

Q1

If the term independent of x in the expansion of  is 405, then kequals

Q2

In the third term in the expansion  is 2, then x equals

Q3

If the fifth term in the expansion of  does not depend upon x, then  equals

Q4

 the greatest term in absolute value in the expansion of (a +b)50 is

Q5

Coefficient of the term independent of x in the ex pansion of  is

Q6

Value (s) of x for which the fourth term in the ex pansion of  is 40 is (are)

Q8

If x2r occurs in  then n – 2r must be of the form

Q9

If the coefficient of rth, (r + 1)th and (r  + 2)th terms are in A.P., then n is a root of the equation

Q10

If in the expansion of (21/3 + 3–1/3)n, the ratio of the 7th term from the beginning to the 7th terms from the end is 1: 6, then n is equal to