If the sum of the base 2 logarithms of...

If the sum of the base 2 logarithms of the roots of the cubic `f(x)= 8x^3+4ax^2+2x+a=0` is `5` then the value of `' a '` is `-64\ ` (b) `-8` (c) `-128\ ` (d) `-256\ `

Similar Questions

Explore conceptually related problems

If the sum of the base 2 logarithms of the roots of the cubic f(x)=8x^(3)+4ax^(2)+2x+a=0 is 5 then the value of a'a' is -64(b)-8(c)-128(d)-256

Find the sum of squares of roots of the equation 2x^4 - 8x^3 + 6x^2 - 3=0

If the circle x^2+y^2+2ax+8y+16=0 touch x-axis , then, t h e value o f 'a' is (a) +-16 (b) +-4 (c) +-8 (d) +-1

If x=2 and x=0 are roots ofthe polynomial f(x)=2x^(3)-5x^(2)+ax+b. Find the values of a and b

If 8 is a root of the equation x^2-10x+k=0 then the value of k is a)16 b)2 c)8 d)-8

if the roots of the cubic x^(3)-12x^(2)+ax-64=0 are positive real numbers, then find the minimum value of a

The cubic equation whose roots are the squares of the roots of x^(3)-2x^(2)+10x-8=0

The cubic equation whose roots are the squares of the roots of x^(3) - 2x^(2) + 10x - 8 = 0 is

If x^2+x+1 is a factor of the polynomial 3x^3+8x^2+8x+3+5k , then the value of k is (a) 0 (b) 2/5 (c) 5/2 (d) -1