In the following question contains STATEMENT - 1 (Assertion) and STATEMENT - 2 (Reason) and has being four choices (1), (2), (3), and (4), any one of which is the correct answer. Mark the correct choice.
Statement-1 (Assertion) : The sum of n terms of the series \(\rm\sqrt5+\sqrt{20}+\sqrt{45}+\sqrt{80}+...\ is\ \sqrt5\dfrac{n(n+1)}{2}\)
Statement-2 (Reason) : The sum of first n natural numbers is \(\rm \frac{n(n+1)}{2}\)
1
Statement-1 is true, Statement-2 is true; Statement-2 is a correct explanation for Statement-1.
2
Statement-1 is true, Statement-2 is true ; Statement-2 is not a correct explanation for Statement-1.
3
Statement-1 is true, Statement-2 is false.
4
Statement-1 is false, Statement-2 is true.