Math, asked by greeshma729, 6 months ago

Expand using identity (2x – 3y + z)2

Answers

Answered by 2797neil

4

Answer:

4x² + 9y² + z² - 12xy - 6yz +4xz

Step-by-step explanation:

( 2x - 3y + z)²

Using (a + b + c)² = a² + b² + c² + 2( ab + bc +ca)

( 2x - 3y + z)² = 4x² + 9y² + z² + 2 ( -6xy -3yz + 2xz )

= 4x² + 9y² + z² - 12xy - 6yz +4xz

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