Math, asked by contactamosabraham, 4 months ago

can anyone help me in this question

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Answered by Manishadalbanjan

1

Answer:

here, 9³- 8³= 1+(9×8)/2 ×6= 217

12³-11³= 1+(12×11)/2×6=397

Answered by AnjaliAwasthi142020

0

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Step-by-step explanation:

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