Mathematics · Quadratic Equations
निम्नलिखित में से कौन सा एक द्विघात समीकरण (quadratic equation) नहीं है?
- 1m(2m + 3) = m2 + 1
- 2x2 + 3x + 1 = (x - 2)2✓
- 3(x + 2)2 = 2x(x + 1)
- 4(x + 1)2 = 2(x - 3)
सही उत्तर देखें
x2 + 3x + 1 = (x - 2)2
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