Math, asked by mithunparida643, 10 months ago

99. What is the value of 22 +42 +62 +
........ + 202 ?

Answers

Answered by luckypriya077

0

Step-by-step explanation:

ap,22,42.....

a=22

d=20

an=202

sn=?

an=a+(n-1)d

202=22+20n-20

200=20n

n=10

s10=10/2(44+9*20)

=5*224

=1120

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