Equation of tangent to the circle x2 + y2 - 2x - 2y + 1 = 0 perpendicular to y = x is given by
None of these
If A and B are two such events that , then which of the following is true?
P(a) + P(B) = 0
P(A) + P(B) = P(A)P(B/A)
P(A) + P(B) = 2P(A)P(B/A)
None of the above
The y - coordinate of a point P on the line joining A(7, 2,1) and B(10, 5, 7) is 4. Then, x and z - coordinates of the point are
x = 9, z = 5
x = 3, z = 7
x = 2, z = 3
None of these
If point D divides the base BC of a ABC in the ratio n : m, then the value of mBD2 + nCD2 + (m + n)AD2 is
mAC2 + nAB2
(m + n)(AC2 + AB2)
nAC2 + mAB2
None of these
A man is standing on the horizontal plane. The angle of elevation of top of the pole is . If he walks a distance double the height of the pole, then the elevation of the pole is . The value of is
If f(x) =
where [x] denotes the greatest integer less than or eual to x, then is equal to
1
- 1
0
Does not exist
D.
Does not exist
Hence, limit does not exist.