Question

2.The expanded form of (√ x – 2y)2 is ________. ​

Answer 1

Formula,

(a+b+c) 2 =a 2 +b 2+c 2 +2ab+2bc+2ca

Given,

(2+x−2y) 2=2 2 +(x) 2+(−2y)

2 +2(2)(x)+2(x)(−2y)+2(2)(−2y)=4+x 2 +4y2 +4x−4xy−8y

Answer 2

Step-by-step explanation:

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