Math, asked by Tkgmailcom7921, 8 months ago

Factorise → 8 - 27a³ - 36a + 54a

Answers

Answered by jyotitiwari16480

2

Answer:

(a -b)3

Step-by-step explanation:

8 - 27a3 - 36a + 54a2

= (2)3 - (3a)3 - 3(2)2 (3a) + 3(2)2 (3a2)

= (2-3a)3

USING IDENTITY,

a3 - b3 -3a2 + 3ab2 = (a - b) 3

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