The value of $\left(\frac{0.051 \times 0.051 \times 0.051+0.041 \times 0.041 \times 0.041}{0.051 \times 0.051-0.051 \times 0.041+0.041 \times 0.041}\right)$ is
(a)0.00092
(b)0.0092
(c)0.092
(d)0.92 5.71 × 5.71 × 5.71 − 2.79 × 2.79 × 2.79
Answer
Answer (as printed): C
Explanation
Given expression = 2 (0.051) − (0.051 × 0.041) + (0.041) a3 + b 3 = 2 2 a − ab + b = (a + b) = (0.051 + 0.041) = 0.092. 3 3 (5.71) – (2.79)
Explanation as extracted from the printed page; notation may be imperfect.