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Saturday, 8 February 2025

Find the sum of the first 30 terms of AP: -30, -24, -18, …. . . . . [CBSE 22]

at February 08, 2025

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Labels: Airthmatic progression

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Integrating (1/(1-cosx)) -(1/(1+cosx)) w.r.t x.

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(i) m:n Given that , (7m + 2n)/(7m - 2n) = 5/3 Applying componendo and dividendo, we get, ((7m + 2n) + (7m - 2n))/((7m + 2n) - (7m - 2n)) =...
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