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

Expansion of (x^2 - y^2)

Which of the ...

Question

Which of the following identity is applicable to simplify (4x + 5y)^2 - (5x + 4y)^2 ?

= + 2ab +

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

- = (a + b)(a - b)

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

= - 2ab +

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

Both A and B

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

Open in App

Solution

The correct option is C
= - 2ab +

Suggest Corrections

Similar questions

Which of the following identities is not applicable to simplify
$(4 x + 5 y)^{2}$ - $(5 x + 4 y)^{2}$ ?

Which of the following identity is not applicable to simplify ${(4 x + 5 y)}^{2} - {(5 x + 4 y)}^{2}$ ?

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

4 (x + 2) + 5 (y + 2) = 20

5 x + 4 y = 7

A = (5, 0)

B = (0, 4)

P

| P A |^{2} - | P B |^{2} = 9

Join BYJU'S Learning Program