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Question Number 188657 by Ajetunmobi last updated on 04/Mar/23

Answered by Ajetunmobi last updated on 04/Mar/23

$$pleasesolvewithdetailsolution$$

Answered by witcher3 last updated on 05/Mar/23

$${\mathrm{U}}_{\mathrm{n}+1}-{\mathrm{U}}_{\mathrm{n}}=\sqrt{{\mathrm{u}}_{\mathrm{n}}+2}-\sqrt{{\mathrm{u}}_{\mathrm{n}-1}+2}$$$$=\frac{{\mathrm{u}}_{\mathrm{n}}-{\mathrm{u}}_{\mathrm{n}-1}}{\sqrt{{\mathrm{u}}_{\mathrm{n}}+2}+\sqrt{{\mathrm{u}}_{\mathrm{n}-1}+2}}...$$

Answered by mehdee42 last updated on 05/Mar/23

$$\mathrm{\forall }n\in \mathbb{N},u_n=2\Rightarrow \mathrm{\forall }i\in \mathbb{N};u_i-u_{i-1}=0$$$$!!!?$$

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