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
Chapter1: Fundamental Concepts Of Algebra
Section1.2: Exponents And Radicals
Problem 86E
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48756c4d-1565-4f2d-a051-d0c3c5e91b59%2F917a88e0-9ba3-47b3-b8c0-73c0f4f63f0b%2F3hofn8q_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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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