NCERT | Identity | Figure It Out | Pg.154 | Q1(iv) — task. Mathematics CBSE, Class 8 New.

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Compute these products using the suggested identity.

\(42 × 46\) using Identity for \((a + b)(a - b)\)

Answer:

\((a + b)(a - b)\) \(=\)

i^{i} - i^{i}

The product \(42 × 46\) is rewritten as

(44 - i) (i + i)

\(42 × 46\) \(=\)

Did you find an error?

32. NCERT | Identity | Figure It Out | Pg.154 | Q1(iv)