1.

If (1+x)n=C0+C1x+C2x2+.......+Cnxnforn∈N and ∑nr=0(r+1)2.Cr=2n−2f(n) If the roots of the equation f(x) = 0 are α and β then (α)4 + (β)4 =

Answer»

If (1+x)n=C0+C1x+C2x2+.......+CnxnfornN and nr=0(r+1)2.Cr=2n2f(n)

If the roots of the equation f(x) = 0 are α and β then (α)4 + (β)4 =




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