Practicing Success
What is the Value of $\frac{0.74 \times 1.23 \times 0.13}{(0.37)^3 + (0.41)^3 - 8(0.39)^3}$? |
$\frac{-1}{3}$ 1 -1 $\frac{1}{3}$ |
$\frac{-1}{3}$ |
$\frac{0.74 \times 1.23 \times 0.13}{(0.37)^3 + (0.41)^3 - 8(0.39)^3}$ = $\frac{0.74 \times 1.23 \times 0.13}{(0.37)^3 + (0.41)^3 - (0.78)^3}$ If a + b + c = 0, then a3 + b3 + c3 = 3abc So, 0.37 + 0.41 – 0.78 = 0, then 0.373 + 0.413 – 0.783 = – 3 × 0.37 × 0.41 × 0.78 = $\frac{0.74 \times 1.23 \times 0.13}{– 3 × 0.37 × 0.41 × 0.78}$ = \(\frac{-1}{3}\) |