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Y^2 = 7x + 1. Also,dx/dt =-3. find dy/dt when y=6
asked
Feb 5, 2023
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4
votes
Y^2 = 7x + 1. Also,dx/dt =-3. find dy/dt when y=6
Mathematics
college
Gnijuohz
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Gnijuohz
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1
Answer
1
vote
Answer:
dy
/
dx
=
dy
/
dt
×
dt
/
dx
dy
/
dt
=
dy
/
dx
×
dx
/
dt
y
²
=
7x
+
1
2ydy
/
dx
=
7
dy
/
dx
=
7
/
2y
where
y
=
6
dy
/
dx
=
7
/
2
(
6
)
dy
/
dx
=
7
/
12
from
,
dy
/
dt
=
dy
/
dx
×
dx
/
dt
where
,
dx
/
dt
=
-
3
dy
/
dt
=
7
/
12
×
(
-
3
)
dy
/
dt
=
-
7
/
4
Felix Seele
answered
Feb 9, 2023
by
Felix Seele
8.4k
points
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