Math, asked by sanglekhushi007, 4 months ago

the first term in an AP is "a" second term is "b" and the last term is "c" then show that the sum of all term is ( a+c)(b+c-2a)/2(b-a)​

Answers

Answered by vipulsharma97
1

Answer:

check my attached file

use the sum of a.p. formula

Attachments:
Answered by llTheAstheBabell
8

Answer:

use the attachment above

Attachments:
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