Question
Simplify the expression
22×nn+41en−2n+21
Evaluate
2nn+41×en−2n+21
Multiply the terms
2nn+41en−2n+21
Multiply by the Conjugate
2×2nn+41en−2n+212
Calculate
2nn+41en−2n+212
Solution
22×nn+41en−2n+21
Show Solution

Find the roots
n∈∅
Evaluate
2nn+41×en−2n+21
To find the roots of the expression,set the expression equal to 0
2nn+41×en−2n+21=0
Find the domain
2nn+41×en−2n+21=0,n>0
Calculate
2nn+41×en−2n+21=0
Multiply the terms
2nn+41en−2n+21=0
Simplify
nn+41en−2n+21=0
Separate the equation into 2 possible cases
nn+41=0en−2n+21=0
Solve the equation
More Steps

Evaluate
nn+41=0
Rewrite the expression
{n=0n+41>0
Evaluate
More Steps

Evaluate
n+41>0
Calculate
41>0
Evaluate
true
{n=0true
Evaluate
n=0
n=0en−2n+21=0
Since the left-hand side is always positive,and the right-hand side is always 0,the statement is false for any value of n
n=0n∈/R
Find the union
n=0
Check if the solution is in the defined range
n=0,n>0
Solution
n∈∅
Show Solution
