Find the product using appropriate identity — task. Maths CBSE Mentoring, Class 9 Mentoring product.

(y^{2} + \frac{15}{3}) (y^{2} - \frac{15}{3})

\(=\)

i^{i} - \frac{i}{i}

[Note: Enter the fraction without reducing to their lowest form.]

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12. Find the product using appropriate identity