Math, asked by bpboss9634, 16 days ago

factorise 216x^3+729y^3

Answers

Answered by kajalpal2007

1

Step-by-step explanation:

216x³ - 729y³

= (6x)³ - (9y)³

We have,

a³ - b³ = (a - b) (a² + ab + b²)

Using this formula,

(6x)³ - (9y)³ = (6x - 9y) (36x² + 54xy +81xy)

Therefore,

(6x -9y) and (36x² +54xy +81y²) are the factors of 216x³ + 729y³

Hope it helps you

Answered by kuldip1kashyap

0

Answer:

(6x+9y)[(6x)^2-6x×9y+(9y)^2]

(6x+9y)(36x^2-54xy+81y^2)

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