EIf a,,a,,a,..,a,from an A.P. with common difference d, then prove that :a,a,a, a,a,a, a,a,a,a,a.a,n+1n+2...a, +a, a, +a, a, + a,a, +a+2af + (n + 1)a,d +(n + 1)(2n + 5)d?26

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EIf a,,a,,a,,...,a, from an A.P. with common difference d, then prove that : а,а,а, а,а, а, а,а,а, , a,a,a, , a, +a, a, +a, a, +a, (n+ 1)(2n + 5) a,a.an2 + an+2 n+1n+2 a, +a, n a, + (n + 1)a,d + d? 2 6

EIf a,,a,,a,,...,a, from an A.P. with common difference d, then prove that : а,а,а, а,а, а, а,а,а, , a,a,a, , a, +a, a, +a, a, +a, (n+ 1)(2n + 5) a,a.an2 + an+2 n+1n+2 a, +a, n a, + (n + 1)a,d + d? 2 6

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.3: Zeros Of Polynomials

Problem 56E

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Question

EIf a,,a,,a,..,a,
from an A.P. with common difference d, then prove that :
a,a,a, a,a,a, a,a,a,
a,a.a,
n+1n+2
...
a, +a, a, +a, a, + a,
a, +a+2
af + (n + 1)a,d +
(n + 1)(2n + 5)
d?
2
6

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