Lim(n+1)^2/2n^2 Lim n(n+1)(n+2)/(2n+3)(3n+4)(4n+5)

Question

Lim(n+1)^2/2n^2 Lim n(n+1)(n+2)/(2n+3)(3n+4)(4n+5)

Answer 1

1)(n+1)^2/2n^2

2) 40n/2n+3 + 122n³/2n+3 + 137n³/2n+3 + 67n⁴/2n+3 + 12n⁵/2n+3