If the discriminant of the quadratic equation 8x2 -bx +2 0 is 1, find – InterviewSolution

1.	If the discriminant of the quadratic equation 8x2 -bx +2 0 is 1, find the value ofb'
Answer» Discrimanat is(-b)² - 4 × 8 × 2 = 1b² - 64 = 1b² = 65 b = + or - √(65)

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