insurence exam LIC AAO Mock Test 2023 Quantitative Aptitude Algebra Quadratic Equation

यदि द्विघात समीकरण (a2 - b2) x2 + (b2 - c2) x + c2 - a2 = 0 के मूल बराबर हों तो निम्न में से कौन सा सत्य है?

1
b2 = c2 + 2a2
2
b2 + c2 = 2a2
3
b2 - c2 = 2a2
4
b2 + c2 = a2
5
b2 + c2 = 4a2
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