Question

need help plz........

if a= 1 b= -4 then, prove that...

(a+b)²+(a-b)²=2(a²+b²)​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(1-4)^2+ (1+ 4)^2 = 2(1^2+4^2)

1^2 +4^2 -8 + 1^2 + 4^2 + 8 = 2(1+16)

2+ 32= 2(1+16)

2+32= 2+ 32

2+32 =RHS