Question

Sum of n terms of the AP√3,√12,√27 is?

Answer 1

Answer:

√3,√12,√27

√3,√4×3,√9×3

√3, 2√3 ,3√3

a=√3 d=√3

Sn=2a+(n-1)d

=2×√3 + (n-1)√3

=2√3 +n√3 -√3

=n√3+√3

=(n+1)√3