sweet10hearts1oz2tzb sweet10hearts1oz2tzb
  • 20-09-2019
  • Mathematics
contestada

what is the coefficient of the x^4y^3 term in the expansion of (x-2y)^7

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chemqueenlol
chemqueenlol chemqueenlol
  • 12-01-2021

Answer: -280

Step-by-step explanation: So (x-2y)^7 expanded is: x^7-14x^6y+84x^5y^2-280x^4y^3+560x^3y^4-672x^2y^5+448xy^6-128y^7. the x^4y^3 term would then be -280x^4y^3, meaning the coefficient (the number before the variables) here is -280 :)

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32261
32261 32261
  • 06-05-2022

Answer:

The answer for this problem is -280

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