[" The equation "],[2^(2x)+(a-1)2^(x+1)+a=0],[" opposite signs then exhaustive set of "],[" values of a is "]

The equation 2^(2x) + (a - 1)2^(x+1) + a = 0 has roots of opposite sing, then exhaustive set of values of a is

The equation 2^(2x) + (a - 1)2^(x+1) + a = 0 has roots of opposite sing, then exhaustive set of values of a is

The equation 2^(2x) + (a - 1)2^(x+1) + a = 0 has roots of opposite sing, then exhaustive set of values of a is

If the equation 2^(2x)+a*2^(x+1)+a+1=0 has roots of opposite sign, then the exhaustive set of real values of a is

If the equation 2^(2x)+a*2^(x+1)+a+1=0 has roots of opposite sign, then the exhaustive set of real values of a is (a)(−∞,0) (b)(−1,−2/3) (c)(−∞,−2/3) (d)(−1,∞)

If the equation 2^(2x)+a*2^(x+1)+a+1=0 has roots of opposite sign, then the exhaustive set of real values of a is (a)(−∞,0) (b)(−1,−2/3) (c)(−∞,−2/3) (d)(−1,∞)

The equation 2^(2x)+(a-1)2^(x-1)+a=0 has root of opposite signs, then the set of values of a is. a) a in (0,oo) b) a in (-1,0) c) ain (oo,1/3) d) a in (0,1/3)

The equation 3^(2x)+(K-1)3^(x+1)+K=0 has roots of opposite signs ,then the set of values of K is (0,2/a] .where a is equal to