_{The general term would be}

…………(1)

Since,

From equation (1),we get,

Thus the general term would be,

To find (2)

We know by property that:

∑axⁿ + bx^{n - 1} + cx^{n - 2}…….d₀=a∑xⁿ + b∑x^{n - 1} + c∑x^{n - 2}…….. + d₀∑1

Since ,

Thus equation (2) becomes