The root of a quadratic equation in x, are -m and 2n. Find the equation
a
\(x^2 + x(m - 2n)-2mn=0\)
b
\(x^2 - x(m - 2n)-2mn=0\)
c
\(x^2 - x(m - 2n)+2mn=0\)
d
\(x^2 + x(m - 2n)+2mn=0\)
Explanation
Correct Option
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Discussions (11)
Chuks612
9 years ago
The correct answer is D.
The formula is...
X²+(products of roots)X-ray sum of roots
X²+(-m+2n)x-(-m*2n)
X²+x(-m+2n)x+2mn...option D
raph.Montella
9 years ago
Myschool.com.ng, you guys don't know how to expand anymore?, the correct answer is A. Please correct this and stop deducting my points
