Math, asked by ramansaxenaxds1193, 6 months ago

(iv) given a = 15, S., = 125, find d and a¹⁰

Answers

Answered by nikhil3634

1

Answer:

s10=n/2(a+(10-1)d)

125=10/2(15+9d)

125=5(15+9d)

25-15=9d

d=10/9

a10=15+9*10/9

=35

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