Posted by **help** on Thursday, April 1, 2010 at 4:07pm.

Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n + 1 is a perfect

square. Are there any positive integers n for which n4 +n3 +n2 +n+1 is a perfect square?

If so, find all such n.

- Mathematics -
**PROMYS**, Sunday, April 24, 2011 at 5:24pm
Stop cheating.

## Answer this Question

## Related Questions

- MATH - Show that there are no positive integers n for which n4 + 2n3 + 2n2 + 2n...
- math, algebra - 2a+2ab+2b I need a lot of help in this one. it says find two ...
- Discrete Math - Theorem: For every integer n, if x and y are positive integers ...
- algebra!!!! please help me!!!! - The smallest possible positive value of 1−...
- math - Find the sum of all positive integers m such that 2^m can be expressed as...
- Integers - The larger of two positive integers is five more than twice the ...
- Fractions and Integers - If x/4+y/5=19/20 where x and y are positive integers ...
- math - the sum of the square of two consecutive positive integers is 265.what ...
- 11th grade mths - Please check urgently .I have to submit the assignment A give ...
- math - Find the sum of all positive integers m such that 2^m can be expressed as...