Step 1: Understanding phytic acid.
- Phytic acid, found in many grains and legumes, binds to minerals like iron, zinc, and calcium, reducing their bioavailability.
Step 2: Explanation of incorrect options.
- Folic acid, protein, and vitamin D are not significantly impacted by phytic acid intake.
Step 3: Selecting the correct option.
- Since phytic acid interferes with mineral absorption, the correct answer is (D) Minerals.
A closed-loop system has the characteristic equation given by: $ s^3 + k s^2 + (k+2) s + 3 = 0 $.
For the system to be stable, the value of $ k $ is: