Datrys 1.5*3.7*y*45

$$1.5 \cdot 3.7 \cdot y \cdot 45$$

Enrhifo

$$\frac{999y}{4}$$

Camau Ateb

Lluosi 1.5 a 3.7 i gael 5.55.

$$5.55y\times 45$$

Lluosi 5.55 a 45 i gael 249.75.

$$249.75y$$

Gwahaniaethu w.r.t. y

$$249.75$$

Camau gan Ddefnyddio Diffiniad o Ddeilliad

Lluosi 1.5 a 3.7 i gael 5.55.

$$\frac{\mathrm{d}}{\mathrm{d}y}(5.55y\times 45)$$

Lluosi 5.55 a 45 i gael 249.75.

$$\frac{\mathrm{d}}{\mathrm{d}y}(249.75y)$$

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

$$249.75y^{1-1}$$

Tynnu 1 o 1.

$$249.75y^{0}$$

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

$$249.75\times 1$$

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

$$249.75$$