Find the required value — task. Maths CBSE Live product, Class 8.

If \(a+b\) \(=\) 67 and \(ab\) \(=\) 420, then find the value of \(a^2+b^2\).

Answer:

The identity used is

{(a + b)}^{2} = i^{i} + i i i + i^{i}

Thus, \(a^2+b^2\) \(=\) .

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3. Find the required value