Question

a^2+b^2.If a+b=8,a-b=2​

Answer 1

Answer:

34

Step-by-step explanation:

(a+b)^2+(a-b) ^2= 2(a^2+b^2)

8^2+2^2 = 2(a^2+b^2)

64+4=2(a^2+b^2)

2(a^2+b^2)= 68

(a^2+b^2)=68/2

(a^2+b^2)=34

Answer 2

This is the correct answer

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