| Assertion (A): \[{{n}^{2}}+n\] is divisible by 2 for every positive integer n. |
| Reason (R): If x and y are odd positive integers, from \[{{x}^{2}}+{{y}^{2}}\] is divisible by 4. |
A) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A)
B) Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A)
C) Assertion (A) is true but reason (R) is false
D) Assertion (A) is false but reason (R) is true
Correct Answer: A
Solution :
Sol. [a]
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