[" 7) The acute angle between the lines "3x^(2)-4sqrt(3)],[xy+3y^(2)=0" is "],[[" A] "pi/6," B] "pi/3," C] "pi/4," D] "pi/2]]

If the acute angle between the lines 2x+3y-5=0, 5x+ky-6=0 is pi//4 , then k =

Acute angle between the lines represented by (x^(2)+y^(2))sqrt(3)=4xy is (A) (pi)/(6) (B) (pi)/(4) (C) (pi)/(3) (D) None of these

The angle between the planes 2x-y+z=6 and x+y+2z=7 is (A) pi/4 (B) pi/6 (C) pi/3 (D) pi/2

The angle between the tangents drawn from the point (1,4) to the parabola y^2=4x is (A) pi/6 (B) pi/4 (C) pi/3 (D) pi/2

The angle between the tangents drawn from the point (1,4) to the parabola y^2=4x is (A) pi/6 (B) pi/4 (C) pi/3 (D) pi/2

The angle between the tangents drawn from the point (1, 4) to the parabola y^2=4x is (A) pi/6 (B) pi/4 (C) pi/3 (D) pi/2

The angle between the circles x^(2)+y^(2)-4x-6y-3=0 . x^(2)+y^(2)+8x-4y+11=0 ( 1 - (pi)/(2) 2 - (pi)/(4) 3- (pi)/(3) 4- ( pi)/(6) )

The angle between the plane 2x-y+z=6 nand x+y+2z=3 is (A) pi/3 (B) cos^-1 1/6 (C) pi/4 (D) pi/6

The angle between the plane 2x-y+z=6 nand x+y+2z=3 is (A) pi/3 (B) cos^-1 1/6 (C) pi/4 (D) pi/6

The angle of intersection of the curves y=x^(2), 6y=7-x^(3) at (1, 1), is: a) pi/4 b) pi/3 c) pi/2 d) pi