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Question
Find the value of discriminant.
x2 + 7x – 1 = 0
Sum
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Solution
x2 + 7x - 1 = 0
Comparing the given equation with ax2 + bx + c = 0
a = 1, b = 7, c = -1
b2 - 4ac = (7)2 - 4(1)(-1)
= 49 + 4
= 53
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