Zeros of the equations x2 – 7x + 6 = 0 are

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ALP CBT 2 Physics and Maths Previous Paper 6 (Held On: 22 Jan 2019 Shift 3)
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  1. Real and equal
  2. One is real and one imaginary
  3. Imaginary 
  4. Real and unequal

Answer (Detailed Solution Below)

Option 4 : Real and unequal
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Detailed Solution

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Given:

x2 – 7x + 6 = 0

Calculation:

x2 – 7x + 6 = 0

x2 - 6x – x + 6 = 0

x(x – 6) – 1(x – 6) = 0

(x – 6) (x – 1)

x = 6, 1

∴ roots of equations are real and unequal 

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