Math, asked by nikhilg5046, 9 months ago

find the sum of 3 + 7 + 7 + dash – – to 35 term ​

Answers

Answered by kamakshi73
0

Answer:

a= 3

d=4

sum of 35th term =35/2(2*3+34*7)

=35/2(6+238)

= 122*35

= 4270

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