Math, asked by aswakduggana, 4 months ago

in gp term 5 is 81 andterm 4 is 27.find r and a

Answers

Answered by shreyanshisrivastava

0

Answer:

ar4= 81 ...(1)

ar3=27 ...(2)

r = ar4/ar3

r = 81/27

r=3

(now equate value of r in either 1or 2)

a (3) =27

a =9

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thankyou

army here

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