Determine the nature of the roots of the equation 4x2−4x+1=0
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Solution
Consider the equation 4x2−4x+1=0 This is in the form of ax2+bx+c=0. The co-efficient are a=4,b=−4,c=1 △=b2−4ac,△(−4)2−4(4)(1),△=16−16 ∴△=0. Therefore, roots are real and equal