Math, asked by swarup6969, 10 months ago

if a1,A2,A3,A4.....An are in an AP with its 1st term is 5 and the common difference is 4 then evaluate 1/a1a2+1/a2a3+1/a3a4+1/a4a5+1/a5a6=?

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Answered by ashritha0406

1

Step-by-step explanation:

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