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Class XI Maths Binomial Theorem 1
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Question 1
The interval in which x(>0) must lie so that the greatest term in the expansion of (1+x)2n has the greatest coefficient is
Question 2
The interval in which x(>0) must lie so that the greatest term in the expansion of (1+x)2n has the greatest coefficient is
Question 3
If the coefficients of rth, (r+ 1)th and (r + 2)th terms in the binomial expansion of (1 + y)m are in A.P., then m and r satisfy the equation
Question 4
If x is positive, the first negative term in the expansion of (1 + x)27/5 is
Question 5
If x is so small that x3 and higher powers of x may be neglected, then 
may be approximated as
Question 6
If n is a positive integer, then 
is
isQuestion 7
The coefficient of the middle term in the binomial expansion in powers of x of 
and of 
is the same if α equals
and of is the same if α equalsQuestion 8
The coefficient of x(n–2) in the polynomial (x – 1) (x – 2) (x – 3) ...(x – n) is-
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May 21JEE & BITSAT
