Grade 11Algebra
Plazzzzzzzzzzaoooooooooooooiiooooooooooooooooooooo solve question number 8
Plazzzzzzzzzzaoooooooooooooiiooooooooooooooooooooo solve question number 8
1 Answer
Aditya Gupta
Approved Tutor Answer7 Years agoLet 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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