Question

write the following in expanded form 365.08​

Answer 1

Step-by-step explanation:

Given,

(2x−y+z)

2

Formula,

(a+b+c)

2

=a

2

+b

2

+c

2

+2ab+2bc+2ca

⇒(2x−y+z)

2

=(2x)

2

+(−y)

2

+(z)

2

+2(2x×−y)+2(−y×z)+2(z×2x)

=4x

2

+y

2

+z

2

−4xy