Issolvi 4a/3*18b/2a

$$\frac { 4 a } { 3 } \times \frac { 18 b } { 2 a }$$

Evalwa

$$12b$$

Passi tas-Soluzzjonijiet

Annulla 2 fin-numeratur u d-denominatur.

$$\frac{4a}{3}\times \frac{9b}{a}$$

Immultiplika \frac{4a}{3} b'\frac{9b}{a} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.

$$\frac{4a\times 9b}{3a}$$

Annulla 3a fin-numeratur u d-denominatur.

$$3\times 4b$$

Immultiplika 3 u 4 biex tikseb 12.

$$12b$$

Iddifferenzja w.r.t. b

$$12$$

Passi għall-Użu ta' Definizzjoni ta' Dervattiv

Annulla 2 fin-numeratur u d-denominatur.

$$\frac{\mathrm{d}}{\mathrm{d}b}(\frac{4a}{3}\times \frac{9b}{a})$$

Immultiplika \frac{4a}{3} b'\frac{9b}{a} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.

$$\frac{\mathrm{d}}{\mathrm{d}b}(\frac{4a\times 9b}{3a})$$

Annulla 3a fin-numeratur u d-denominatur.

$$\frac{\mathrm{d}}{\mathrm{d}b}(3\times 4b)$$

Immultiplika 3 u 4 biex tikseb 12.

$$\frac{\mathrm{d}}{\mathrm{d}b}(12b)$$

Id-derivattiv ta' ax^{n} huwa nax^{n-1}.

$$12b^{1-1}$$

Naqqas 1 minn 1.

$$12b^{0}$$

Għal kwalunkwe terminu t ħlief 0, t^{0}=1.

$$12\times 1$$

Għal kwalunkwe terminu t, t\times 1=t u 1t=t.

$$12$$