Which of the following is not a monomial? `2x^2+1` (b) `3x^4` `a b` (d) `x^2y`

Which of the following are polynomial? a) 6xsqrt(x)-5^2+9 b) (x^3+ 2x^-3) c) (x+4)/x d) 2x^2+3x+4

Which of the following is not a solution of the equation 3x -4y = 8? (A) (4,1) (B) (8,4) (C ) (1,4) (D) (0, -2)

((a-b)^2-(a+b)^2)/(-4a)=x/y . On simplifying the given equation, which of the following equations will be obtained? x y=b (b) b x=y (c) a b=x (d) y b=x (e) a y=x

If 3A=[(-1,-2,-2),(2,1,-2),(x,-2,y)] such that A A^T=I , then which of the following are correct? (A) x+2y=4 (B) x-y=1 (C) x^2+y^2=-3 (D) x^2+y^2=5

Which of the following is a point on the common chord of the circle x^(2)+y^(2)+2x-3y+6=0 and x^(2)+y^(2)+x-8y-31=0?(1,-2)(b)(1,4)(1,2)(d)1,4)

If x=10 and y=0.1, which of the following is the greatest? x^(2)+y^(2)( b) x^(2)-y^(2)( c) x^(2)backslash y^(2) (d) (x^(2))/(y^(2))

Let S be the set of all column matrices [b_1b_2b_3] such that b_1,b_2, b_3 in R and the system of equations (in real variable) -x+2y+5z=b_1 2x-4y+3z=b_2 x-2y+2z=b_3 has at least one solution. Then, which of the following system(s) (in real variables) has (have) at least one solution for each [b_1b_2b_3] in S? (a) x+2y+3z=b_1, 4y+5z=b_2 and x+2y+6z=b_3 (b) x+y+3z=b_1, 5x+2y+6z=b_2 and -2x-y-3z=b_3 (c) -x+2y-5z=b_1, 2x-4y+10 z=b_2 and x-2y+5z=b_3 (d) x+2y+5z=b_1, 2x+3z=b_2 and x+4y-5z=b_3

Which of the following can be slope of tangent to the hyperbola 4x^(2)-y^(2)=4?1(b)-3(c)2 (d) -(3)/(2)

Which of the following can be the slope of tangent to the hyperbola 4x^(2)-y^(2)=4( a) 1(b)-3(c)2(d)-(3)/(2)