The sum of 10 terms of the series `sqrt2 + sqrt6 + sqrt18 +...` is

The sum of 10 terms of the series sqrt(2) + sqrt(6) + sqrt(18) + .... is

What is the sum of n terms of the series sqrt2+sqrt8+sqrt18+sqrt32+..

Find the value of n, if the sum to n terms of the series sqrt(3) + sqrt(75) + sqrt(243) + ... 435sqrt(3) . Is