Class 10 Math All topics Quadratic Equations

Find a quadratic equation with real co-efficient whose one root is $3−2i$.

Solution: As we seek a quadratic equation with real co-efficient whose one root is $3−2i$ then the other root is $3+2i$.

Then the quadratic equation is

$x_{2}−{(3+2i)+(3−2i)}x+(3+2i)(3−2i)=0$

or, $x_{2}−6x+13=0$.

Similar topics

introduction to trigonometry

functions

some applications of trigonometry

quadratic equations

polynomials

introduction to trigonometry

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quadratic equations

polynomials

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