Math, asked by mqmataranisahoomamat, 2 months ago

1×2,2×4,3×5..... S10=?​

Answers

Answered by raginikumari75953
1

Answer:

a=1,d=2,s

10

=?

s

10

=

2

10

[2a+(10−1)2]

s

10

=5[2+18]

s

10

=100

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