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Question

Find the nature of the roots of the following quadratic equations . If the real roots exit. find them:
1) 2x23x+5=0
2) 3x243x+4=0

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Solution

Solution:-

Given quadratic equations

(i) 2x23x+5=0

comparing with the general equation of quadratic

ax2+bx+c, we get a=2 b=3 c=5

D=b24ac=940<0

Imaginary roots

(ii) 3x243x+4=0

comparing with general quadratic equation

a=3 b=43 c=4

D=b24ac=348<0

Imaginary roots

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