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Find the order and degree of the differe...

Find the order and degree of the differential equation ` (y”’)^2+7(y’)^2-(cos⁡x)^2=0`
a) Order- 0, Degree-2
b) Order- 3, Degree-2
c) Order- 3, Degree-3
d) Order- 1, Degree-2

Text Solution

Verified by Experts

The correct Answer is:
B
Acording to the equation
`Mg-T_1=Ma`…..1
`T_2=ma`………2
`rarr(T_1-T_2)=(I_a)/r^2` [because a=ralpha]……..e
if we dd the equation 1 and 2 we will get
`Mg+T_2-T_1=Ma+ma`…..4
`rarr Mg-Ia/r^2=Ma+ma`
`rarr (M+m+I/r^2)a=Mg`
`rarr a=(Mg)/(M+m+I/r^2)`
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