AP EAMCET2011MathematicsBasics of Mathematics
If a, b and n are natural numbers, then a^ 2 n-1 +b^ 2 n-1 is divisible by
Options
- Aa+b
- Ba-b
- Ca^3+b^3
- Da^2+b^2
Correct answer
A. a+b
Step-by-step solution
Here, we see that (2 n-1) is an odd number a^ 2 n-1 +b^ 2 n-1 is divisible by a+b .