Datrys 100*200mm

$$100 \times 200 mm$$

Enrhifo

$$20000m^{2}$$

Camau Ateb

Lluosi m a m i gael m^{2}.

$$100\times 200m^{2}$$

Lluosi 100 a 200 i gael 20000.

$$20000m^{2}$$

Gwahaniaethu w.r.t. m

$$40000m$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Lluosi m a m i gael m^{2}.

$$\frac{\mathrm{d}}{\mathrm{d}m}(100\times 200m^{2})$$

Lluosi 100 a 200 i gael 20000.

$$\frac{\mathrm{d}}{\mathrm{d}m}(20000m^{2})$$

Deilliad ax^{n} yw nax^{n-1}.

$$2\times 20000m^{2-1}$$

Lluoswch 2 â 20000.

$$40000m^{2-1}$$

Tynnu 1 o 2.

$$40000m^{1}$$

Ar gyfer unrhyw derm t, t^{1}=t.

$$40000m$$