SSC CGL 2024 PYQ — Question 60

SSC CGL - 25 Sep 2024 - Shift 2 • Quantitative Aptitude • Q60

The value of (x+y)2+(x−y)2(x+y)^2+(x-y)^2 is equal to:

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 2(x2+y2)2(x^2+y^2).

(x+y)2+(x−y)2(x+y)^2+(x-y)^2

⇒ x2 + y2 + 2xy + x2 + y2 - 2xy

⇒ 2x2 + 2y2

⇒ 2(x2 + y2)