CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Identity (x+y)^2

If x+y=1 th...

Question

If $x + y = 1$ then $x^{3} + y^{3} + 3 x y = . . . . . . . . . . . .$

A

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

1

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $1$
$x + y = 1$ & $x^{3} + y^{3} + 3 x y = (x + y)^{3} - 3 x y (x + y) + 3 x y = 1$

Suggest Corrections

thumbs-up

0

Similar questions

x + y - 1 = 0

x^{3} + y^{3} + 3 x y = 1

\frac{x}{y} + \frac{y}{x} = - 1, (x, y \neq 0)

, then value of

x^{3} - y^{3}

x^{3} + y^{3} + 1 = 3 x y,

x \neq y

determine the value of

x + y + 1.

Q. The locus of points

(x, y)

x^{3} + y^{3} + 3 x y - 1 = 0

x + y - 1 = 0

x^{3} + y^{3} - 1

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Algebraic Identities

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Identity (x+y)^2

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon