where is the solution
Answer provided by our tutors
For the variable you have typed "p" with uppercase and "P" with lowercase, you need to have them both either in uppercase or lowercase or you will not get the answer.
Also, if you want a final solution as decimal number you should adjust under "Options" and select "Calculate using: real (decimal) numbers":
This way, you will get the following final solutions:
Click here to see the step by step solution.