x2 - 2x + 3 = 0 एक _________ है।

This question was previously asked in
RRB Group D Previous Year Paper (Held on: 26 Aug 2022 Shift 2)
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  1. द्विघात समीकरण
  2. द्विघात बहुपद
  3. घन समीकरण
  4. घन बहुपद

Answer (Detailed Solution Below)

Option 1 : द्विघात समीकरण
Free
RRB Group D Full Test 1
100 Qs. 100 Marks 90 Mins

Detailed Solution

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दिया गया है:

x2 - 2x + 3 = 0

प्रयुक्त सूत्र:

एक द्विघात समीकरण ax2 + bx + c = 0 के रूप का होता है। 

गणनाएँ:

x2 - 2x + 3 = 0 की तुलना ax2 + bx + c = 0 से करने पर

⇒ a = 1, b = -2, c = 3

चूँकि x की उच्चतम घात 2 है, इसलिए यह एक द्विघात समीकरण है।

∴ सही उत्तर विकल्प 1 है।

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