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if an= -2/(4n^2)-(16n)+(15), [(4n^2)-(16n)+(15) dis entire thing is the denominator)]
then:
opt a) a1+a2+....+a10= 20/51
opt b) a1+a2+.....a10=30/51
opt c) a1+a2+......a25=50/141
opt d) a1+a2+.....a25=60/141
Its more than one ans type q, pls tell me a detailed explanation on how to do it as i din understand
Asked by joanmaria916 | 08 Jul, 2023, 04:37: PM
Expert Answer
TO find the sum of first 10 terms when an = -2/(4n2 - 16n + 15)
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