Math, asked by raj5576, 1 year ago

1+4+7+11+...to 22 terms

Answers

Answered by navika111

0

please write the whole question...

Answered by superiortanu12378

0

Answer:

Step-by-step explanation:

a = 1 d=2

Sn = n/2 ( 2a + (n - 1)d )

= 22/2 (2 + 20×2)

= 11 (2 + 40)

= 11× 42

= 462

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