railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Algebra Quadratic Equation

द्विघात समीकरण जिसका एक मूल (√5 - 2) हो, क्या होगा?

1
x2 + 4x - 1 = 0
2
x2 + 2√5x + 1 = 0
3
x2 - 2√5x - 1 = 0
4
x2 - 4x + 1 = 0
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