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  • Tell me? - Complex numbers and quadratic equations - JEE Main-3

Equation 3x^{2}+6x+2= 0  will have 

  • Option 1)

    Real & Equal roots

  • Option 2)

    Real & Distinct roots

  • Option 3)

    Imaginary roots

  • Option 4)

    Can't be determined

 

Answers (2)

best_answer

D= (6)^{2}-4\left ( 3 \right )\left ( 2 \right )=36-24=12> 0

 

Condition for Real and distinct roots of Quadratic Equation -

D= b^{2}-4ac> 0

- wherein

ax^{2}+bx+c= 0

is the quadratic equation

 

 


Option 1)

Real & Equal roots

This is incorrect

Option 2)

Real & Distinct roots

This is correct

Option 3)

Imaginary roots

This is incorrect

Option 4)

Can't be determined

This is incorrect

Posted by

divya.saini

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b^2-4ac>0

then

it have

 real and equal roots

Posted by

koushik

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