Find the continued product of $(3x-2y)(3x+2y)(9x^2+4y^2)$.

Find the continued product of $(2p+3)(2p–3)(4p^2+9)$.

If $\mathrm{x}+\mathrm{y}=12$ and $\mathrm{xy} = 14$, find the value of $({\mathrm{x}}^2+{\mathrm{y}}^2)$.

If $x-y=7$ and $xy=9$, find the value of $(x^2+y^2)$.