Four figures have been given, out of which three are alike in some manner and one is different. Select the odd one.
B.
If x × y = x + y + \(\sqrt{xy}\), then the value of 6 × 24 will be:
43
41
42
44
C. 42
Simplify the following.\(\sqrt{2+\sqrt{2+2\cos4\theta}}\)
cos 2θ
cosθ
2cos θ
sin θ
C. 2cos θ