Question
Solve the equation
r=0
Evaluate
r(1×rr2)×1=r2
Find the domain
r(1×rr2)×1=r2,r=0
Remove the parentheses
r×1×rr2×1=r2
Simplify
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Evaluate
r×1×rr2×1
Divide the terms
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Evaluate
rr2
Use the product rule aman=an−m to simplify the expression
1r2−1
Simplify
r2−1
Divide the terms
r
r×1×r×1
Rewrite the expression
r×r
Multiply the terms
r2
r2=r2
The statement is true for any value of r
r∈R
Check if the solution is in the defined range
r∈R,r=0
Solution
r=0
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