The number of common chords of the parabolas and are |
|||||||
a) |
1 |
b) |
2 |
c) |
4 |
d) |
6 |
The number of common chords of the parabolas and are |
|||||||
a) |
1 |
b) |
2 |
c) |
4 |
d) |
6 |
(d)
The given parabolas are symmetrical about the line as shown in the figure
They intersect to each other at four distinct points
Hence, the number of common chords