Math, asked by jerry9812, 8 months ago

Find the sum : 34,32+30.......+10

Answers

Answered by shaikmahboobali5

1

Answer:

Step-by-step explanation:

Attachments:

Answered by bhushan5248

1

Answer:

286

Step-by-step explanation:

An=a+(n-1)d

10=34+(n-1)-2

10=34-2n+2

2n=36-10

2n=26

n=26/2

n=13

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

Sn=13/2(2×34+(13-1)-2)

Sn=13/2(68-24)

Sn=13/2×44

Sn=13×22

Sn=286

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