MCQ
The maximum distance between points $ (3\sin \theta, 0, 0)$ and $(4\cos \theta, 0, 0)$ is:
- A3
- B4
- C5
- DCan not be find
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The coefficient of xn in the expansion of (1 + x)2n and (1 + x)2n - 1 are in the ratio.
If
$\tan\theta=3$ and $\theta$ lies in third quadrant, then the value of $\sin\theta$ is:$\frac{1}{\sqrt{10}}$
$-\frac{1}{\sqrt{10}}$
$\frac{-3}{\sqrt{10}}$
$\frac{3}{\sqrt{10}}$
If the coefficients of x2 and x3 in the expansion of $(3+\text{ax})^{9}$ are the same, then the value of a is:
$-\frac{7}{9}$
$-\frac{9}{7}$
$\frac{7}{9}$
$\frac{9}{7}$
The equation of the straight line passing through the point (3, 2) and perpendicular to the line y = x is:
The equation of the locus of a point equidistant from the point A (1, 3) and B (-2, 1) is:
The condition for the points (x, y), (-2, 2) and (3, 1) to be collinear is: