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Class 10 Mathematics Medium Mcq English Medium

In this case, what is the discriminant of x² -9x +7 = 0?

Question
In this case, what is the discriminant of x² -9x +7 = 0?
53
49
57
-53
Answer
53
Detailed Explanation
For ax²+bx+c=0, the discriminant is b²-4ac. — Examisthan.com
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