Posted by
**oladepo** on
.

the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?

Wednesday

March 29, 2017
Posted by
**oladepo** on
.

the 9th term of an AP is 52 while the 12th term is 70. find the sum of it's 20th term?

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