MCQ
Coordinate planes divide the space into octants:
- A4
- B6
- C8
- D10
Solution:
The coordinate planes divide the three dimensional space into eight octants.
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The vertices of a triangle are (6, 0), (0, 6) and (6, 6). The distance between its circumcentre and centroid is:
If 10n + 3 × 4n+2 + k is divisible by 9 for all n ∈ N, then the least positive integral value of k is:
If $2\tan\alpha=3\tan\beta$ then $\tan(\alpha-\beta)=$
$\frac{\sin2\beta}{5-\cos2\beta}$
$\frac{\cos2\beta}{5-\cos2\beta}$
$\frac{\sin2\beta}{5+\cos2\beta}$
None of these