In which one of the following intervals is the function f(x) = x³/3 − 7x²/2 + 6x + 5 decreasing?

What is the equation to the plane through (1, 2, 3) parallel to 3x +…

What is the angle between the lines (x-2)/1 = (y+1)/-2 = (z+2)/1 and (x-1)/1 =…

What are the direction cosines of a line which is equally inclined to the positive…

What is the distance of the point (1,2,0) from yz-plane is :

If a line OP of length r (where ‘O’ is the origin) makes an angle…