Question

Q26. a) Factorise : 125 a' + 64 b3​

Answer 1

Answer:

a³+b³ = (a+b)(a²-ab+b²)

(5a)² + (4b)³ = (5a + 4b)(25a²-20ab + 16b²)

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Answer 2

Answer:

$125a + 64 {b}^{3} \\ 189ab {}^{4}$

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