Datrys 0.5y+0.35y-0.21y+0.35y

$$0.5y+0.35y-0.21y+0.35y$$

Enrhifo

$$\frac{99y}{100}$$

Camau Ateb

Cyfuno 0.5y a 0.35y i gael 0.85y.

$$0.85y-0.21y+0.35y$$

Cyfuno 0.85y a -0.21y i gael 0.64y.

$$0.64y+0.35y$$

Cyfuno 0.64y a 0.35y i gael 0.99y.

$$0.99y$$

Gwahaniaethu w.r.t. y

$$0.99$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Cyfuno 0.5y a 0.35y i gael 0.85y.

$$\frac{\mathrm{d}}{\mathrm{d}y}(0.85y-0.21y+0.35y)$$

Cyfuno 0.85y a -0.21y i gael 0.64y.

$$\frac{\mathrm{d}}{\mathrm{d}y}(0.64y+0.35y)$$

Cyfuno 0.64y a 0.35y i gael 0.99y.

$$\frac{\mathrm{d}}{\mathrm{d}y}(0.99y)$$

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

$$0.99y^{1-1}$$

Tynnu 1 o 1.

$$0.99y^{0}$$

Ar gyfer unrhyw derm t ac eithrio 0, t^{0}=1.

$$0.99\times 1$$

Ar gyfer unrhyw derm t, t\times 1=t a 1t=t.

$$0.99$$