a) Obtain power series solution in powers of π₯ for
(π₯
2 β 1) π¦
β²β² + 3π₯ π¦
β² + π₯π¦ = 0, π¦(0) = 4, π¦
β²
(0) = 6
b) Find β[π
4π‘ β« (
1βcos 2π‘
π‘
)
π‘
ππ‘] and β
β1
[
4π +5
(π β1)
2(π +2)
]
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