Choose the correct answer — task. Maths CBSE Homework Assignments, Class 8.

1. The factors of \(x^2 - 4\) are

\((x - 2)\), \((x - 2)\)
\((x + 2)\), \((x - 2)\)
\((x + 2)\), \((x + 2)\)
\((x - 4)\), \((x - 4)\)

2. The value of \((a + b)^2 + (a - b)^2\) is

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

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