Question
Simplify the expression
−W10e9i
Evaluate
90÷100Wei
Multiply the terms
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Multiply the terms
100Wei
Multiply the numbers
100eWi
Multiply the numbers
100eiW
90÷100eiW
Rewrite the expression
100eiW90
Calculate
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Evaluate
100ei90
Multiply by the Conjugate
100ei×i90i
Calculate
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Evaluate
100ei×i
Multiply
100ei2
Use i2=−1 to transform the expression
100e(−1)
Calculate
−100e
−100e90i
Rewrite the expression
−100e10×9i
Cancel out the common factor 10
−10e9i
Use b−a=−ba=−ba to rewrite the fraction
−10e9i
Reduce the fraction
−10e9i
W−10e9i
Solution
−W10e9i
Show Solution

Find the excluded values
W=0
Evaluate
90÷100Wei
To find the excluded values,set the denominators equal to 0
100Wei=0
Multiply the terms
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Evaluate
100Wei
Multiply the numbers
100eWi
Multiply the numbers
100eiW
100eiW=0
Solution
W=0
Show Solution
