Question

Factorise 8x³/27+y³/125​

Answer 1

Answer:

$(\frac{2x}{3} + \frac{y}{5})(\frac{4}{9}x^{2} + \frac{1}{25}y^{2} - \frac{2}{15}xy)$

Step-by-step explanation:

Using Identity (a+b)³ = a³+ b³​ + 3ab(a + b)

⇒ a³+ b³​ = (a+b)³ - 3ab(a + b)

⇒ a³+ b³​ = (a+b)((a+b)² - 3ab)

⇒ a³+ b³​ = (a+b)(a²+b² - ab)

8x³/27+y³/125​

 = (2x/3)³ + (y/5)³

 = (2x/3 + y/5)(4x²/9 + y²/25 - 2xy/15)

 = $(\frac{2x}{3} + \frac{y}{5})(\frac{4}{9}x^{2} + \frac{1}{25}y^{2} - \frac{2}{15}xy)$

Answer 2

Refer the attachment...

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Why the hell are u answering in my question, if u don't know the answer!?

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kaisa lagega, If I also say "idk know the answer"?

ek sec ke liye gussa aayega na?

Toh fir!