how many terms of the ap 63,60,57 .....must be taken so that their sum is 693
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refer to the image attached for solution....n=21or 22
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Heya!!
Here lam attatching the solution:
Number of terms = 22 or 21.
l have forgotten to right how 21 can be obtained.Here its:
21 can b obtained when -b^2 - 4ac/2a is done.
Hope it helps
__________________
Here lam attatching the solution:
Number of terms = 22 or 21.
l have forgotten to right how 21 can be obtained.Here its:
21 can b obtained when -b^2 - 4ac/2a is done.
Hope it helps
__________________
Attachments:
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