Math, asked by vishal583, 1 year ago

Factotise 8a cube - 27b cube

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Answered by pokemonhindi
22
please mark it as brainliest,
if it is useful for you
.
8a³-27b³
(2a)³-(3b)³ . . .(using formula a³-b³=(a-b) (a²+ab+b²) )
.
(2a-3b) ( (2a)²+2a×3b+(3b)³ )
(2a-3b) (4a²+6ab+9b²)
(answer.)


pokemonhindi: was it helpful? please mark it as brainliest
Answered by harshinireddy5
3

ANSWER:

8a^3-27b^3

(2a)^3-3b^3 {Identity=a^3-b^3=(a-b)

(2a-3b)[(2a)^2+2a×3b+(3b)^3]

(2a-3b)(4a^2-6ab+9b^2)

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