Question
Simplify the expression
−lrui
Evaluate
r÷lriru
Multiply
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Multiply the terms
lriru
Multiply the terms
lr2iu
Use the commutative property to reorder the terms
ilr2u
r÷ilr2u
Rewrite the expression
ilr2ur
Use the product rule aman=an−m to simplify the expression
ilr2−1u1
Reduce the fraction
ilru1
Divide the terms
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Evaluate
i1
Multiply by the Conjugate
i×ii
Calculate
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Evaluate
i×i
Multiply
i2
Use i2=−1 to transform the expression
1×(−1)
Calculate
−1
−1i
Calculate
−i
lru−i
Solution
−lrui
Show Solution

Find the excluded values
l=0,r=0,u=0
Evaluate
r÷lriru
To find the excluded values,set the denominators equal to 0
lr×ru=0
Multiply the terms
lr2u=0
Separate the equation into 3 possible cases
l=0r2=0u=0
The only way a power can be 0 is when the base equals 0
l=0r=0u=0
Solution
l=0,r=0,u=0
Show Solution
