Question

Find the value of

x3 +y3 if x+y=3 and xy=2​

Answer 1

Given:-

• Find the value of x3 +y3 if x+y=3 and xy=2.

To find:-

• The sum.

Solution:-

• x3 +y3

• =>x+y(3+3)

• =>3(3+3)

• =>3×6

• =>18

hey mate! Your answer is 18.

Explanation:-

Solving such questions is so fun.

And very easy to do.

know how value 3 can on adding x+y.

First of all of we look we into the question we find that the product of x and 3 are added to the product of 3 and u.

in beginning it's written very clearly that when x and y are added they given 3.

Hence instead of making the question mess we simply separated them.

on solving it gave value18.

Hope it helped!

Answer 2

Solution:-

• x3 +y3.

• =>x+y(3+3)
• =>3(3+3)
• 3×6
• 18

Thanku