Two adjacent sides of a rectangle are $3 x^{2} - 5 y^{2}$ and $7 x^{2} - x y$ . Find its perimeter?

10 x ² - 10 y ² - 2 x y

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

20 x ² - 10 y ² - 2 x y

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

x ² - 10 y ² - 2 x y

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

40 x ² - 10 y ² - 2 x y

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

Open in App

Solution

The correct option is A $20 x ² - 10 y ² - 2 x y$ .
Adjacent sides in rectangle are lenght and base

Perimeter of rectangle = $2 (l e n g t h + b r e a d t h)$

Perimeter = $2 (3 x ² - 5 y ² + 7 x ² - x y)$

Perimeter = $2 (10 x ² - 5 y ² - x y)$

Perimeter = $20 x ² - 10 y ² - 2 x y$ .

Suggest Corrections

Similar questions

(1, - 1),

x - y - 3 = 0

\frac{1}{2}

6 x z + 4 y - 2 x y - 3 x + 6

x y - 2 x + 4 x z - 9

Join BYJU'S Learning Program