the equations of the directrices of the ellipse 16x2+25y2=400are
Answers
Answered by
0
Answer:
x
2
25
+
y
2
16
=
1
⇒
e
=
√
1
−
16
25
=
3
5
Therefore , directrices are x ±
5
3
5
=
0
o
r
3
x
±
25
=
0
.
Step-by-step explanation:
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Answered by
0
Answer:
3x = ±25
Step-by-step explanation:
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