Math, asked by akash9876, 9 months ago

Fins the sum of APs:1+8+15+22+29+36+------to 17 terms?

Please answer urgent!!!

Answers

Answered by sanvi62535

5

Step-by-step explanation:

a=1 d=7 n=17

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

S17 = 17/2(2+16×7)

=17/2(114)

=17×57

=969

Answered by pappusoni876

2

Step-by-step explanation:

a=1,d=7

sn=n/2[2a+(n-1)*d]

17/2[2*1+(17-1)*7]

=17/2[2+16*7]

=17/2[2+112]

17/2*114

=17*57

= 969

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