The straight line `(x-3)/3=(y-2)/1=(z-1)/0` is (a)Parallel to x-axis (b)Parallel to the y-axis (c)Parallel to the z-axis (d)Perpendicular to the z-axis

The line x=x_1,y=y_1 is (A) parallel to x-axis (B) parallel to y-axis (C) parallel to z-axis (D) parallel to XOY plane

The line (x-x_1)/0=(y-y_1)/1=(z-z_1)/2 is (A) parallel to x-axis (B) perpendicular to x-axis (C) perpendiculat to YOZ plane (D) parallel to y-axis

The line x=1,y=2 is (A) parallel to x-axis (B) parallel to y-axis (C) parallel to z-axis (D) ies in a plane parallelto xy-plane.

Find the equation of a line passing through the point of intersection of the lines 4x+3y-1=0 and x+2y+3=0 and (i) parallel to X -axis. (ii) parallel to Y -axis. parallel to line 2x+y-1=0 . (iv) perpendicular to line 3x-y+1=0 .

If n is a natural number gt 2 , such that z^(n) = (z+1)^(n) , then (a) roots of equation lie on a straight line parallel to the y-axis (b) roots of equaiton lie on a straight line parallel to the x-axis (c) sum of the real parts of the roots is -[(n-1)//2] (d) none of these

Find the equation of the straight line which passes through the point (2,-3) and is (i) parallel to the X-axis , perpendicular to the X - axis

Any tangent to the curve y=2x^7+3x+5 (a) is parallel to x-axis (b) is parallel to y-axis (c) makes an acute angle with x-axis (d) makes an obtuse angle with x-axis.

The lines (x-1)/2=(y-2)/3=(z-3)/4 and (x-1)/3=(y-2)/4=(z-3)/5 are (A) parallel to x-axis (B) skew (C) intersecting (D) none of these

Find points on the curve (x^2)/9+(y^2)/(16)=1 at which the tangents are(i) parallel to x-axis (ii) parallel to y-axis.

Find the distance between P(x_1,\ y_1)a n d\ Q(x_2, y_2) when i. P Q is parallel to the y-axis ii. PQ is parallel to the x-axis.