Trigonometry
Inverse Trigonometric Functions
MCQ (Single Correct Answer)Subjective
1
WB JEE 2016
MCQ (Single Correct Answer)
+2
-0.5
The locus of the mid-points of all chords of the parabola y2 = 4ax through its vertex is another parabola with directrix
A
x = $$-$$ a
B
x = a
C
x = 0
D
x = $$-$$ $${a \over 2}$$
WB JEE Subjects