Datrys c_4^4*0.8^4*0.2^0=

$$c _ { 4 } ^ { 4 } \cdot 0.8 ^ { 4 } \cdot 0.2 ^ { 0 } =$$

Enrhifo

$$\frac{256c_{4}^{4}}{625}$$

Camau Ateb

Cyfrifo 0.8 i bŵer 4 a chael 0.4096.

$$c_{4}^{4}\times 0.4096\times 0.2^{0}$$

Cyfrifo 0.2 i bŵer 0 a chael 1.

$$c_{4}^{4}\times 0.4096\times 1$$

Lluosi 0.4096 a 1 i gael 0.4096.

$$c_{4}^{4}\times 0.4096$$

Gwahaniaethu w.r.t. c_4

$$\frac{1024c_{4}^{3}}{625}$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Cyfrifo 0.8 i bŵer 4 a chael 0.4096.

$$\frac{\mathrm{d}}{\mathrm{d}c_{4}}(c_{4}^{4}\times 0.4096\times 0.2^{0})$$

Cyfrifo 0.2 i bŵer 0 a chael 1.

$$\frac{\mathrm{d}}{\mathrm{d}c_{4}}(c_{4}^{4}\times 0.4096\times 1)$$

Lluosi 0.4096 a 1 i gael 0.4096.

$$\frac{\mathrm{d}}{\mathrm{d}c_{4}}(c_{4}^{4}\times 0.4096)$$

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

$$4\times 0.4096c_{4}^{4-1}$$

Lluoswch 4 â 0.4096.

$$1.6384c_{4}^{4-1}$$

Tynnu 1 o 4.

$$1.6384c_{4}^{3}$$