Math, asked by saheraperween1234, 8 months ago

given a=2, s10==125 find d and a10

Answers

Answered by Anonymous

2

Answer:

a = 2

s10 = 125

n = 10

s10= 10/2[2(2)+(9)d]

125 = 5(4+9d)

25 = 4+9d

9d = 21

d = 21/9

d = 7/3

a10 = 2+(9)(7/3)

= 2+21

= 23

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