Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Algebra Quadratic Equation

यदि α और β समीकरण ax2 + bx + c = 0 के मूल हैं तो 1/α2 + 1/β2 का मान है:

1
(a2 - 2cb)c2
2
(b2 – 2ca)/c2
3
(b2 + 2ca)/c2
4
(a2 + 2bc)/c2
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