If the sum of odd terms and the sum of even terms in the expansion of `(x+a)^(n)` are `p` and `q` respectively then `p^(2)-q^2=`

If the sum of odd terms and the sum of even terms in (x+a)^(n) are p and q respectively then 4pq=...

If P be the sum of all odd terms and Q that of all even terms in the expansion of (x+a)^(n) , prove that

If n be a positive integer and the sums of the odd terms and even terms in the expansion of (a+x)^(n) be A and B respectively,prove that,A^(2)-B^(2)=(a^(2)-x^(2))^(n)

If A be the sum of odd terms and B the sum of even terms in the expnsion of (x+a)^n, show that 4AB= (x+a)^(2n)-(x-a)^(2n)

If a be sum of the odd numbered terms and b the sum of even numbered terms of the expansion (1+x)^(n) , n epsilon N then (1-x^(2))^(n) is equal to

If A and B respectively denote the sum of the odd terms and sum of the even terms in the expansion of (x+y)^(n), then the value of (x^(2)-y^(2))^(n), is equal to

In the expansion of (x+a) ,sum of the odd terms is P and the sum of even terms is Q then 4PQ .

If A and B are the sums of odd and even terms respectively in the expansion of (x+a)^(n) tehn (x+a)^(2n)-(x-a)^(2n)=

If the sum of m terms of an A.P. is same as the sum of its n terms, then the sum of its (m+n) terms is