Question
Simplify the expression
12n3−1
Evaluate
(n×12n×1)n−1
Remove the parentheses
n×12n×1×n−1
Rewrite the expression in exponential form
n3×12×1−1
Solution
More Steps

Multiply the terms
n3×12×1
Rewrite the expression
n3×12
Use the commutative property to reorder the terms
12n3
12n3−1
Show Solution

Find the roots
n=6318
Alternative Form
n≈0.43679
Evaluate
(n×12n×1)n−1
To find the roots of the expression,set the expression equal to 0
(n×12n×1)n−1=0
Multiply the terms
More Steps

Multiply the terms
n×12n×1
Rewrite the expression
n×12n
Multiply the terms
n2×12
Use the commutative property to reorder the terms
12n2
12n2×n−1=0
Multiply the terms
More Steps

Evaluate
n2×n
Use the product rule an×am=an+m to simplify the expression
n2+1
Add the numbers
n3
12n3−1=0
Move the constant to the right-hand side and change its sign
12n3=0+1
Removing 0 doesn't change the value,so remove it from the expression
12n3=1
Divide both sides
1212n3=121
Divide the numbers
n3=121
Take the 3-th root on both sides of the equation
3n3=3121
Calculate
n=3121
Solution
More Steps

Evaluate
3121
To take a root of a fraction,take the root of the numerator and denominator separately
31231
Simplify the radical expression
3121
Multiply by the Conjugate
312×31223122
Simplify
312×31222318
Multiply the numbers
More Steps

Evaluate
312×3122
The product of roots with the same index is equal to the root of the product
312×122
Calculate the product
3123
Reduce the index of the radical and exponent with 3
12
122318
Cancel out the common factor 2
6318
n=6318
Alternative Form
n≈0.43679
Show Solution
