Math, asked by kumaripoonam20697, 9 months ago

पा
7.बिना जोड़े, योग ज्ञात कीजिए-
(क)1+3+5+7+9+11+13+15

Answers

Answered by sonikuldip74

1

Answer:

$sn = \frac{n}{2} (2a + an) \\ \frac{8}{2} (2 + 15) = 4(17) = 68$

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