Science, asked by viswamithr, 1 year ago

help me plz urgent.plz answer

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viswamithr: help me plz

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Answered by Riyajain3264

very good and I will be in the brainliest the brainliest the brainliest the brainliest the brainliest the brainliest the brainliest the brainliest the brainliest the brainliest

Answered by KshitijTripathi

you can see that terms with odd r get cancelled and you get 2 times the even term

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