Question

(0.38 x 0.38 + 2 x .38 x .62 + .62 x .62) / (0.72 x 0.72 - 2 x .72 x .52 + .52 x .52)

• A. 1 1/2
• B. 1/4
• C. 25
• D. .25

Answer 1

Answer:

C. 25

(a+b)²/(a - b)² = (0.38+0.62)² / (0.72-0.52)² = 1²/0.2² =100/4 = 25