Factorise the expression — task. Maths CBSE Live product, Class 9 (2025-26).

64 y^{3} + 216 z^{3}

\(=\)

(i y + i i) [i y^{i} - i y i + i i^{i}]

[Note: Insert answer as per the order of the identity and enter coefficient followed by the variable.]

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5. Factorise the expression