Changes
From Karnataka Open Educational Resources
116 bytes removed
, 12:38, 7 August 2014
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| #Activity No #1 | | #Activity No #1 |
− | For Arithmetic Progressions SUM Derivation of formula[http://www.youtube.com/watch?v=xhah3xwVtSU click here]<br>
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| #Activity No #2 | | #Activity No #2 |
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