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Mathematics
Mathematics
Problem
If
y
=
500
e
7
x
+
600
e
−
7
x
y = 500e^{7x} + 600e^{-7x}
y
=
500
e
7
x
+
600
e
−
7
x
, show that
d
2
y
d
x
2
=
49
y
\frac{d^2y}{dx^2} = 49y
d
x
2
d
2
y
=
49
y
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