Question
Find the roots
c1=−i,c2=i
Evaluate
1+c2
To find the roots of the expression,set the expression equal to 0
1+c2=0
Move the constant to the right-hand side and change its sign
c2=0−1
Removing 0 doesn't change the value,so remove it from the expression
c2=−1
Take the root of both sides of the equation and remember to use both positive and negative roots
c=±−1
Simplify the expression
c=±i
Separate the equation into 2 possible cases
c=ic=−i
Solution
c1=−i,c2=i
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