Issolvi 253/16*1/4sqrt{5}

$$\frac{ 253 }{ 16 } \times \frac{ 1 }{ 4 \sqrt{ 5 } }$$

Evalwa

$$\frac{253\sqrt{5}}{320}\approx 1.767891245$$

Passi tas-Soluzzjonijiet

Irrazzjonalizza d-denominatur tal-\frac{1}{4\sqrt{5}} billi timmultiplika in-numeratur u d-denominatur mill-\sqrt{5}.

$$\frac{253}{16}\times \frac{\sqrt{5}}{4\left(\sqrt{5}\right)^{2}}$$

Il-kwadrat ta' \sqrt{5} huwa 5.

$$\frac{253}{16}\times \frac{\sqrt{5}}{4\times 5}$$

Immultiplika 4 u 5 biex tikseb 20.

$$\frac{253}{16}\times \frac{\sqrt{5}}{20}$$

Immultiplika \frac{253}{16} b'\frac{\sqrt{5}}{20} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.

$$\frac{253\sqrt{5}}{16\times 20}$$

Immultiplika 16 u 20 biex tikseb 320.

$$\frac{253\sqrt{5}}{320}$$