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Byju's Answer
Standard XII
Mathematics
Derivative from First Principle
The displacem...
Question
The displacement of a particle along the x-axis is given by
x
=
3
+
8
t
+
7
t
2
. Obtain its velocity and acceleration at
t
=
2
s
.
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Solution
D
i
s
t
a
n
c
e
x
=
3
+
8
t
+
7
t
2
,
V
e
l
o
c
i
t
y
v
=
d
x
d
t
=
8
+
14
t
v
t
=
2
s
=
8
+
14
×
2
=
36
m
s
−
1
,
a
=
d
v
d
t
=
14
m
s
−
2
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