" 19."a^(3)+a-3a^(2)-3

If a=root(3)(3a^(2)-19)+3, then the value of a^(3)-12a^(2)+27a is

{(1/3)^(-3)-(1/2)^(-3)}-:(1/4)^(-3) = (a) (19)/(64) (b) (64)/(19) (c) (27)/(16) (d) (-19)/(64)

{(1/3)^(-3)-(1/2)^(-3)}-:(1/4)^(-3) = (19)/(64) (b) (64)/(19) (27)/(16) (d) (-19)/(64)

The value of 81^(3) - 100^(3) + 19^(3) is _____

The sum of the series (7)/(1^(3)*2^(3))+(19)/(2^(3)*3^(3))+(37)/(3^(3)*4^(3))+.... upto oo

The value of (19^(3)+6^(3)+(3)(19)(6)(25))/(3^(6)+6(243)(2)+(15)(81)(4)+(20)(27)(8)+(15)(9)(16)+(6)(3)(32)+2^(6)) is

The minimum sum of the series : 20 + 19(1)/(3)+ 18(2)/( 3) +"..." is :

If alpha ,beta are the roots of the equation 9x^(2)-7x+6=0 then the equation whose roots are 3 alpha+2 , 3 beta+2 is - 1) 3x^(2)+19x-144=0 2) 3x^(2)-19x+144=0 3) 3x^(2)-19x+44=0 4) 3x^(2)-19x-44=0