x = -1 पर बहुपद 5x - 4x2 + 3 का मान ज्ञात कीजिए।

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JKSSB SI Official Paper (Held On: 12 Dec 2022 Shift 2)
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  1. 8
  2. -9
  3. 3
  4. -6

Answer (Detailed Solution Below)

Option 4 : -6
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दिया गया है:

बहुपद = 5x - 4x2 + 3

x का मान = -1

प्रयुक्त सूत्र:

बहुपद में चर का मान प्रतिस्थापित कीजिए।

गणनाएँ:

x = -1 पर बहुपद का मान है

5(-1) - 4(-1)2 + 3

⇒ -5 - 4(1) + 3

⇒ -5 - 4 + 3

⇒ -9 + 3 = -6

∴ x = -1 पर बहुपद का मान -6 है।

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