Multiple Choice Question (MCQ)

Question: Calculate the upper deviation from the given data ?
A. -0.003
B. -0.005
C. 0.008
D. 0.013
Correct Answer: 0.008
Explanation

(a+b)2-(a-b)2
= a2 + b2 +2ab - (a2 + b2 - 2ab)
= a2 + b2 +2ab -a2 - b2 + 2ab
= 2ab + 2ab
= 4ab