Question

3√3a^3 - 5√5b^3 factorise this​

Answer 1

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Answer 2

Answer:

= (3√3 - 5√5)(27a² + 125b² + 15ab√15)

Step-by-step explanation:

(3√3a)³ - (5√5b)³

We know that a³ - b³ = (a-b)(a²+ab+b²)

So, we have (3√3a - 5√5b)((3√3a)² + (5√5b)² + (3a√3 × 5b√5))

= (3√3 - 5√5)(27a² + 125b² + 15ab√15)