Clara lends half her collection of formal attires to her sister, Susan. Clara then buys four more attires. If she has 12 attires
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I think this is it,please try and looking it up also for a better explanation
For this case we have to:
Given the quadratic equation of the form:
The roots are given by:
If we have:
We can rewrite it in the following way:
Where:
Where we have:
By definition:
Thus, the roots are given by imaginary numbers:
Answer:
