To explain: the roots of the
Explanation of Solution
Consider the given equation,
Solve the equation in quadratic formula.
Two roots of the equation will be
Case I:
Consider
Negative under square root will give imaginary value.
In that case roots will be complex conjugate.
Case II Consider
The roots will become
In that case roots will be equal.
Case III Consider
The roots will become
In that case roots will be unequal.
Chapter 7 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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