The number of values which x can take in the equation (x+2)(x+4)(x+6)(x+8)+16=0 are a. 1 b. 2 c. 4 d. none of these

The number of ordered pairs of integers (x,y) satisfying the equation x^(2)+6x+y^(2)=4 is a.2 b.8 c.6 d.none of these

The number of real roots of equation 16^(x)+8^(x)+ 4(4^(x))+ 2^(x)+ 1=0 is :

The number of ordered pairs of integers (x ,y) satisfying the equation x^2+6x+y^2=4 is a. 2 b. 8 c. 6 d. none of these

The number of ordered pairs of integers (x ,y) satisfying the equation x^2+6x+y^2=4 is a. 2 b. 8 c. 6 d. none of these

The number of ordered pairs of integers (x ,y) satisfying the equation x^2+6x+y^2=4 is a. 2 b. 8 c. 6 d. none of these

Number of real solutions of the equation x^(2)+((x)/(x-1))^(2)=8 are a.3b.4 c.6d.0

Number of real solutions of the equation x^2+(x/(x-1))^2=8 are a. 3 b. 4 c. 6 d. 0

The number of solution of the equation 2[x] = x + 1 + {x} is/are a. 1 b. 2 c. 0 d. 4

Number of real solutions of the equation x^(2)+((x)/(x-1))^(2)=8 are 3(b)4(c)6(d)0

The least value of x satisfying the equation 2^(2)x+1|-2^(x)=|2^(x)-1|+1 is 0(b)2(c)4(d) none of these