(1−12)(1−13)(1−14)(1−15) (1- \frac{1}{2})(1- \frac{1}{3})(1- \frac{1}{4})(1- \frac{1}{5})(1−21)(1−31)(1−41)(1−51) = ____ A0B$\frac {1}{5}$C$\frac {4}{5}$D1Answer: $\frac {1}{5}$ Read Explanation: (1−12)(1−13)(1−14)(1−15) (1- \frac{1}{2})(1- \frac{1}{3})(1- \frac{1}{4})(1- \frac{1}{5})(1−21)(1−31)(1−41)(1−51) =1/2×2/3×3/4×4/5=1/2\times2/3\times3/4\times4/5=1/2×2/3×3/4×4/5 =1/5=1/5=1/5 Read more in App
