The solutions of the equation `|[x,2,-1],[2,5,x],[-1,2,x]|=0`
`(a) 3,-1`
`(b) -3,1`
`(c) 3,1`
`(d) -3,-1`

Which of the following is not the root of the equation |[x,-6,-1],[ 2,-3x,x-3],[-3, 2x,x+2]|=0? a.2 b. 0 c. 1 d. -3

The solution of the equation 2/3 x+1= 7/3 is (a) 2 (b) 3 (c) -2 (d) -3

The number solution of the equation sgn(x^(2))=|x-2| is 1 (b) 0(c)2(d)3

The number of solutions of te equation |2x^2-5x+3|+x-1=0 is (A) 1 (B) 2 (C) 0 (D) infinite

The roots of the equation det [(1-x, 2, 3),(0,2-x,0),(0,2,3-x)]=0 are (A) 1 and 2 (B) 1 and 3 (C) 2 and 3 (D) 1,2, and 3

The number of solutions of the system of equations: 2x+y-z=7,\ \ x-3y+2z=1,\ \ x+4y-3z=5 is (a) 3 (b) 2 (c) 1 (d) 0

The solution set of the equation ((x^(2)+2x+1)(x^(3)-1))/(x^(2)-x)>=0, is

The number of real solutions of the equation |x|^(2)-3|x|+2=0 is (1982,1M)4(b)1(c)3 (d) 2

The solution of the equation 9^(x)-2^(x+(1)/(2))=2^(x+(3)/(2))-3^(2x-1)

The number of real solutions of the equation e^(x)+(a^(2)+4a+5)x^(2)+6=0 is (A) 1 (B) 2 (C) 3 (D) 0