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Algebra
medium · Past Paper
Questions
Mathematics
Algebra
Quadratic Equations
The sum of the roots of 0.2x^2 - 0.4x + 0.1 = 0 is:
A
2
B
0.2
C
0.5
D
-2
✓ Correct Answer: A — 2
Sum = -(-0.4)/0.2 = 0.4/0.2 = 2.
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