Math, asked by pushpa9801019299, 9 months ago

using identies spuare of ( 3x - y - 2z)

Answers

Answered by sairamavishal

3

Answer:

(a - b - c)²

= (a - b - c)(a - b - c)

= a² - ab - ac - ab + b² + bc - ac + bc + c²

= a² + b² + c² - 2ab + 2bc - 2ac

Just apply this and get answer

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