Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Algebra Quadratic Equation
If α and β are the roots of the equation ax2 + bx + c = 0 then the value of 1/α2 + 1/β2 is:
1
(a2 - 2cb)c2
2
(b2 – 2ca)/c2
3
(b2 + 2ca)/c2
4
(a2 + 2bc)/c2