the mean of 8 observations was found to be 60 later on it was discovered that an observation 42 was misread as 82 to find the correct mean of the observation
Answers
Answered by
1
Answer:
Answer
Vertices(±5,0)Foci(±7,0)
a=±5 and ae=±7
And e=
5
7
We know e=
1+
a
2
b
2
On squaring both sides we get:
e
2
=1+
a
2
b
2
Or
25
49
=1+
25
b
2
Or
25
b
2
=
25
24
b
2
=24
The equation of hyperbola is
25
x
2
−
24
y
2
=1
24x
2
−25y
2
=600
Hence, Option [A] and [C] are correct.
Similar questions