Question

factorise :-.
8a^3 - b^3 - 12ab^2 + 6ab^2​

Answer 1

Answer:

$\bold{8 {a}^{3- {b}^{3} } - 12 {a}^{2} b + 6a {b}^{2} } \\ \bold{\implies {(2a)}^{3} - 3 \times {(2a)}^{2} \times b + 3 \times 2a \times {b}^{2} - {b}^{3} } \\ \bold{\implies{(2a - b)}^{3} } \\ \bold{\implies(2a - b)(2a - b)(2a - b)}$

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