Math, asked by kashishdips01373, 8 months ago

If 2x+3y=12 and xy=6. Find the value of 8x3+27y3.

Answers

Answered by shivaranjani1218

15

Step-by-step explanation:

(a+b)³ = a³+b³+3ab(a+b)

8x³+27y³ = (2x+3y)³

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

(12)³ = 8x³+27y³+3(6)(xy)[12]

1728 = 8x³+27y³+18(6)(12)

1728 = 8x³+27y3+1296

1728-1296 = 8x³+27y³

432 = 8x³+27y³

Previous Question

Next Question

Similar questions

English, 4 months ago

write the noun forms of the following from the passage 1. perfect 2.responsible 3. dedicate 4. construct...

Science, 4 months ago

There are 2 kids playing in a see saw, the kid in the left applies an effort of 300 N the effort distance is 5m and the load distance is 10m , find the force applied by the kid on the right. Also, calculate the mechanical advantage. Help me fast...

English, 4 months ago

The central theme of the given passage is (1) The Shrinking Market (2) Shift towards offering Luxury Goods to Consumers (3) Products to offer consumers with squeezed packets (4) To highlight products consumer by the middle class (5) Gaining insight into changing consumer behavior towards CPGs...

CBSE BOARD X, 8 months ago

answerthis question number 6...

English, 8 months ago

how do the a character reflect human world from story Jungle Book ...

Geography, 11 months ago

A row of mountain is called...

English, 11 months ago

A place where marraiges take place...

Math, 11 months ago

a man bought a certain number of lichies at 20 per rupee and an equal number at 30 per rupee. He mixed them and sold them at 25 per rupee. Find his gain or loss percent.