3((n+3)!-(n+1)!)=2((n+3)!+(n+1)!) calculate n value ?
3((n+3)!-(n+1)!)=2((n+3)!+(n+1)!) calculate n value ?
3((n+3)!-(n+1)!)=2((n+3)!+(n+1)!) calculate n value ?
3 Answers
Explanation:
We have
or
or
or
or
or
i.e.
The solution is
Explanation:
The equation is
Factor
Simplifying by
This is a quadratic equation in
The discriminant is
There is a contradiction since the definition of factorials
And here
Explanation:
Collecting like terms
Using Property (
Using Quadratic Solution