(2x-y+z)^2Expand the following by using suitable property.

1.	(2x-y+z)^2Expand the following by using suitable property.
Answer» Hi , ********************* We know the algebraic identity , ( a + B + c )² = a²+b²+c²+2ab+2bc+2ca ******************************* Here , a = 2X, b = - y , c = z , [ 2x + ( -y ) + z ]² = (2x)²+(-y)²+z²+2(2x)(-y)+2(-y)z+2z(2x) = 4x² + y² + z² - 4xy - 2yz + 4zx Mark as brainlist FOLLOW me

Answer»

Hi ,

***********************

We know the algebraic identity ,

( a + B + c )² = a²+b²+c²+2ab+2bc+2ca

*********************************

Here ,

a = 2X,

b = - y ,

c = z ,

[ 2x + ( -y ) + z ]²

= (2x)²+(-y)²+z²+2(2x)(-y)+2(-y)z+2z(2x)

= 4x² + y² + z² - 4xy - 2yz + 4zx

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