Math, asked by jindalanju4567, 8 months ago

factorize 81ycube +375xcube

Answers

Answered by jakbattu

1

Step-by-step explanation:

81ycube +375xcube = 81y³ + 375x³

= 3 ( 27y³ + 125x³ ) = 3 [(3y)³ + (5x)³]

a³ + b³ = (a+b) (a² - ab + b²)

= 3 (3y+5x) [(3y)² - (3y) (5x) + (5x)²]

= 3 (3y+5x) [9y² - 15yx) + 25x²]

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