solve this. very urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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We have,
y=ae
5x
+be
−5x
On differentiating w.r.t x, we get
dx
dy
=5ae
5x
−5be
−5x
On again differentiating w.r.t x, we get
dx
2
d
2
y
=25ae
5x
+25be
−5x
dx
2
d
2
y
=25(ae
5x
+be
−5x
)
dx
2
d
2
y
=25y
Hence, this is the answer.
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