Question : What is the value of $(a+b)^2+(a-b)^2$?
Option 1: $8ab$
Option 2: $4ab$
Option 3: $4(a^2+b^2)$
Option 4: $2(a^2+b^2)$

Question

Question : What is the value of $(a+b)^2+(a-b)^2$?

Option 1: $8ab$

Option 2: $4ab$

Option 3: $4(a^2+b^2)$

Option 4: $2(a^2+b^2)$

Team Careers360 · Accepted Answer

Correct Answer: $2(a^2+b^2)$

Solution : Given, $(a+b)^2+(a-b)^2$
= $a^2+b^2+2ab+a^2+b^2-2ab$
= $2(a^2+b^2)$
Hence, the correct answer is $2(a^2+b^2)$.

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Question : What is the value of $(a+b)^2+(a-b)^2$?Option 1: $8ab$Option 2: $4ab$Option 3: $4(a^2+b^2)$Option 4: $2(a^2+b^2)$

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Question : What is the value of $(a+b)^2+(a-b)^2$?
Option 1: $8ab$
Option 2: $4ab$
Option 3: $4(a^2+b^2)$
Option 4: $2(a^2+b^2)$