Question

factorise 343xcube+1728ycube​

Answer 1

Answer:

I hope it would help you

Answer 2

$\huge\mathfrak{Bonjour!!}$

$\huge\bold\purple{Answer:-}$

343x³ + 1728y³

→ 7³x³ + 12³y³

→(7x)³ + (12y)³

Using, a³+b³=(a+b)(a² -ab +b²)

→(7x+12y)[(7x)² - 7x × 12y + (12y)²]

Evaluate the power...

→(7x + 12y) (49x² - 84xy +144y²)

The required factorisation...

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Hope it helps...:-)

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