Any time you include JavaScript verbiage in HTML document, you must enclose those lines inside a ______ tag pair.
1). <Script> and </script>
2). <HTML> and </HTML>
3). <Div> and <\Div>
4). <Body> and <\Body>
The point of contact of the plane 2x - 2 y+ z+12 = 0 touches the sphere $x^{2}+y^{2}+z^{2}-2x-4y+2z-3=0$ is :
1). (2, 1, 4)
2). (1, 4, 2)
3). (-1, 4, -2)
4). (4, 1, 2)
In a plane triangle ABC. the maximum value of cos A cos B cos C is:
1). $\frac{1}{4}$
2). $\frac{1}{8}$
3). $\frac{1}{2}$
4). $\frac{3}{4}$
Let R = {(1,1), (1,2), (1,3), (2,4), (3,2)} and S ={(1,3), (1,4), (2,3), (3,1), (4,1)} be the relations on a set A = {1,2,3,4}.
The composition SoR of R and S is:
1). {(1, 1), (1,3), (1,2), (2,1), (3,3)}
2). {(1,2), (1,3), (1,4), (2,1), (3,3)}
3). {(1, 1), (1,2), (1,4), (2,1), (3,3)}
4). {(1, 1), (1,3), (1,4), (2,1), (3,3)}