State True or False:
$3 x^{2} + 5 x y - 4 y^{2} + x^{2} - 8 x y - 5 y^{2}$ is equal to $4 x^{2} - 3 x y - 9 y^{2}$ .

True

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

False

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

Open in App

Solution

The correct option is A True
$W e c a n d i r e c t l y a d d t h e c o e f f i c i e n t s o f l i k e v a r i a b l e s, ⟹ (1 + 3) x^{2} + (5 - 8) x y + (- 4 - 5) y^{2} = 4 x^{2} - 3 x y - 9 y^{2}$

Suggest Corrections

Similar questions

3 x^{2} + 5 x y - 4 y^{2} + x^{2} - 8 x y - 5 y^{2}

P = 7 x^{2} + 5 x y - 9 y^{2}, Q = 4 y^{2} - 3 x^{2}

R = 4 x^{2} + x y + 5 y^{2}

P + Q + R = 8 x^{2} + 6 x y

x^{2} - 3 x y + 8

4 x^{2} + 5 x y - 3

6 - 3 x^{2} + 4 x y

2 x^{2} + 6 x y + 11

Join BYJU'S Learning Program