Find the term:`6/(sqrt(3))+9/(sqrt(3))+4sqrt(3)+…. To the 10th term`.

(2+sqrt3)(2-sqrt3) is

Find the sum of the following series: 1/sqrt(2)-1+sqrt(2)… to the 10th term.

Find the argument of sqrt3-i

Find the sum of the following series up to the specified term sqrt2+sqrt2(1-sqrt2)+sqrt2(1-2sqrt2) …..upto 21 th term

Find the square roots of -3+4sqrt-7

Find the sum of the following series: 128+64+32+…. to the 10th term.

Show that 1/(sqrt11+3) , 1/(sqrt13+3) , 1/(sqrt11+sqrt13) are in A.P.

Find the terms of the following G.P. as specified. 6th and 10th terms of sqrt3,1/sqrt3,1/(3sqrt3) ,…….

The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44.Find the first three terms of the AP.

The sum of n terms of two arithmetic progressions aree in the ratio (5n+4):(9n+6) .Find the ratio of their 18th terms.