state gov TSPSC Forest Beat Officer (ఫారెస్ట్ బీట్ ఆఫీసర్) Mock Test 2023 Quantitative Aptitude Algebra Quadratic Equation
If sin θ and cos θ are the roots of the equation ax2 − bx + c = 0, then which one of the following is correct?
1
a2 + b2 + 2ac = 0
2
a2 − b2 + 2ac = 0
3
a2 + c2 + 2ab = 0
4
a2 − b2 − 2ac = 0