" i) "3^(-2)

1^(3) + 1^(2) + 1+2^(3) + 2^(2) + 2+3^(2) + 3^(2) + 3+3… 3n terms =

(2^(-3))^(2)xx(3^(-2))^(3)= _____________

The zero of 3x+2 is (2)/(3) (b) (3)/(2)-(2)/(3)(d)(-3)/(2)

Find the sum: (1)/(3) + (2)/(3^(2)) + (1)/(3^(3)) + (2)/(3^(4)) + (1)/(3^(5)) + (2)/(3^(6)) + …..oo

Which of the following numbers is not equal to (-8)/(27)?\ (a) (2/3)^(-3) (b) (2/3)^3 (c) (-2/3)^3 (d) ((-2)/3)*((-2)/3)*((-2)/3)

If 4a^2+9b^2-c^2+12ab= 0 then the family of straight lines ax + by +c=0 is concurrent at : (A) (-3,2) or (2,3) (B) (-2,3) or (2,-3) (C) (3,2) or (-3,-2) (D) (2,3) or (-2,-3)

Simplify the following: 2^(-2)-{-2^(-3)-(2^(-2)-3^(-2))}=

Find the value of ( 1^3 + 2^3 + 3^3 )^(-3/2)