the area shaded with vertical lines is the solution set of the inequalities;
In the diagram above, O is the center of the circle with radius 10cm, and ∠ABC = 30°. Calculate, correct to 1 decimal place, the length of arc AC [Take π = 22/7]
Factorize x\(^2\) + 4x - 192
Factorize 2e\(^2\) - 3e + 1