Question

Solve (238+131)² + (238-131)² / (238 x 238 + 131 x 131)

• A. 4
• B. 2
• C. 8
• D. 9

Answer 1

Answer:

B. 2

(a + b)²+(a-b)² / (a² + b²) = 2(a²+b²) / (a² + b²) =2