Math, asked by kanhiyahardwareplyce, 5 hours ago

factorise 3 a square b - 12 b cube

Answers

Answered by Sirat4

0

Answer:

3b(a + 2b) (a - 2b)

Step-by-step explanation:

3a²b - 12b³

Take 3b common

= 3b(a² - 4b²)

= 3b(a² - (2b)²)

Use a² - b² = (a +b) (a - b)

= 3b(a + 2b) (a - 2b)

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