Datrys {l}{2x^2+4x^2}{+3x^2}

$$\left. \begin{array} { l } { 2 x ^ { 2 } + 4 x ^ { 2 } } \\ { + 3 x ^ { 2 } } \end{array} \right.$$

Enrhifo

$$9x^{2}$$

Camau Ateb

Cyfuno 2x^{2} a 4x^{2} i gael 6x^{2}.

$$6x^{2}+3x^{2}$$

Cyfuno 6x^{2} a 3x^{2} i gael 9x^{2}.

$$9x^{2}$$

Gwahaniaethu w.r.t. x

$$18x$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Cyfuno 2x^{2} a 4x^{2} i gael 6x^{2}.

$$\frac{\mathrm{d}}{\mathrm{d}x}(6x^{2}+3x^{2})$$

Cyfuno 6x^{2} a 3x^{2} i gael 9x^{2}.

$$\frac{\mathrm{d}}{\mathrm{d}x}(9x^{2})$$

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

$$2\times 9x^{2-1}$$

Lluoswch 2 â 9.

$$18x^{2-1}$$

Tynnu 1 o 2.

$$18x^{1}$$

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

$$18x$$