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Plazzzzzzzzzzaoooooooooooooiiooooooooooooooooooooo solve question number 8

Mantra , 6 Years ago
Grade 11
anser 1 Answers
Aditya Gupta

Last Activity: 6 Years ago

Let 1/an=bn
now simplifying, we have
bn+1 – bn=1/2, which shows that t is an arithmetic sequence
now, as the common difference is ½, we have
bn= b1+(n – 1)/2
or an= 1/[1/a1+(n – 1)/2]=2/n

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