Math, asked by maneshravani56, 8 months ago

In an A.P .first two terms are -3,4 then 21st term is.....?

Answers

Answered by awasthisachin54

14

answer is a21=137

Step-by-step explanation:

a=-3

a+d = 4

put the value of a in

a+d=4

-3 + d=4

d=7

then

a21=a+20d

-3+20×7=137 ans

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