In the expansion of (x+a)^n if the sum o...

In the expansion of `(x+a)^n` if the sum of odd terms is `P` and the sum of even terms is `Q ,` tehn `P^2-Q^2=(x^2-a^2)^n` `4P Q=(x+a)^(2n)-(x-a)^(2n)` `2(P^2+Q^2)=(x+a)^(2n)+(x-a)^(2n)` none of these

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In the expansion of (x+a)^(n) if the sum of odd terms is P and the sum of even terms is Q then (a)P^(2)-Q^(2)=(x^(2)-a^(2))^(n)(b)4PQ=(x+a)^(2n)-(x-a)^(2n)(c)2(P^(2)+Q^(2))=(x+a)^(2n)+(x-a)^(2n) (d)none of these

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If o be the sum of odd terms and E that of even terms in the expansion of (x+a)^(n) prove that: O^(2)-E^(2)=(x^(2)-a^(2))^(n)( (i) 4OE=(x+a)^(2n)-(x-a)^(2n)( iii) 2(O^(2)+E^(2))=(x+a)^(2n)+(x-a)^(2n)

If there are (2n+1) terms in A.P.then prove that the ratio of the sum of odd terms and the sum of even terms is (n+1):n

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

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=

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MODERN PUBLICATION-BINOMIAL THEOREM-EXERCISE 8 (B)(LONG ANSWER TYPE QUESTION-I)

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