Issolvi (3sqrt{12})(2sqrt{21})

$$( 3 \sqrt { 12 } ) ( 2 \sqrt { 21 } )$$

Evalwa

$$36\sqrt{7}\approx 95.247047198$$

Passi tas-Soluzzjonijiet

Iffattura 12=2^{2}\times 3. Erġa' ikteb l-għerq kwadrat tal-prodott \sqrt{2^{2}\times 3} bħala l-prodott tal-għeruq kwadrati \sqrt{2^{2}}\sqrt{3}. Ħu l-għerq kwadrat ta' 2^{2}.

$$3\times 2\sqrt{3}\times 2\sqrt{21}$$

Immultiplika 3 u 2 biex tikseb 6.

$$6\sqrt{3}\times 2\sqrt{21}$$

Immultiplika 6 u 2 biex tikseb 12.

$$12\sqrt{3}\sqrt{21}$$

Iffattura 21=3\times 7. Erġa' ikteb l-għerq kwadrat tal-prodott \sqrt{3\times 7} bħala l-prodott tal-għeruq kwadrati \sqrt{3}\sqrt{7}.

$$12\sqrt{3}\sqrt{3}\sqrt{7}$$

Immultiplika \sqrt{3} u \sqrt{3} biex tikseb 3.

$$12\times 3\sqrt{7}$$

Immultiplika 12 u 3 biex tikseb 36.

$$36\sqrt{7}$$