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Question

Find the discriminant of the following quadratic equations and hence determine the nature of the roots of the equation :
x2+x+14=0

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Solution

Given equation: x2+x+14=0
4x2+4x+1=0
a=4,b=4,c=1
D=b24ac
D=(4)24(4)(1)
D=1616
D=0
Thus D=0
Only one real zero.

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