Answer to Question #311 in Algebra for Ken

Question #311
Is it possible to put plus and minus signs instead of asterisks in the equation 1 ∗ 2 ∗ 3 ∗ … ∗ 10 = 0 to obtain a true equality?
1
Expert's answer
2010-06-16T09:46:14-0400
No. The parity of the number 1 ± 2 ± 3 ± ⋯ ± 10 doesn’t depend on the signs selection; it depends only on the amount of odd numbers in the expression. There are 5 odd numbers in the given expression, thus the result will always be an odd number.

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS