Solve (5j)(9j^4)/(9j^-7)

Evaluate

(5 j) \times \frac{9 j ^{4}}{9 j ^{- 7}}

To find the roots of the expression,set the expression equal to 0

(5 j) \times \frac{9 j ^{4}}{9 j ^{- 7}} = 0

Find the domain

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(5 j) \times \frac{9 j ^{4}}{9 j ^{- 7}} = 0, j \neq = 0

Calculate

(5 j) \times \frac{9 j ^{4}}{9 j ^{- 7}} = 0

Multiply the terms

5 j \times \frac{9 j ^{4}}{9 j ^{- 7}} = 0

Divide the terms

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5 j \times j^{11} = 0

Multiply the terms

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5 j^{12} = 0

Rewrite the expression

j^{12} = 0

The only way a power can be 0 is when the base equals 0

j = 0

Check if the solution is in the defined range

j = 0, j \neq = 0

Solution

j \in \emptyset

Simplify the expression