If sum of first ten terms of an A.P. is zero with a as the first term and d , the common difference, which of the…
CBSE Class 10 Maths PYQ · Arithmetic Progressions · Sum Formula · 1 Mark · March 2026 · Standard
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861 Mark · March 2026 · Standard
If sum of first ten terms of an A.P. is zero with $a$ as the first term and $d$, the common difference, which of the following relation is true?
- (a)$10a +9d = 0$
- (b)$2a = 9d$
- (c)$a_{10} = -a$
- (d)$a_{10} = a$
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