Exemplar-Exercise Problems XV — task. Mathematics CBSE, Class 9.

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Find the following products:

(\frac{x}{2} + 2 y) (\frac{x^{2}}{4} - xy + 4 y^{2})

\(=\)

\frac{x^{i}}{i} + i y^{i}

2. \((x^2 – 1) (x^4 + x^2 + 1)\) \(=\)

x^{i} - i

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42. Exemplar-Exercise Problems XV