Datrys (-1/2a^2b^4)^5

$$( - \frac { 1 } { 2 } a ^ { 2 } b ^ { 4 } ) ^ { 5 }$$

Enrhifo

$$-\frac{a^{10}b^{20}}{32}$$

Camau Ateb

Defnyddio rheolau esbonyddion i symleiddio’r mynegiad.

$$\left(-\frac{1}{2}a^{2}b^{4}\right)^{5}$$

I godi cyfanswm dau neu fwy o rifau i bŵer, codwch bob rhif i’r pŵer a chymryd eu cyfanswm.

$$\left(-\frac{1}{2}\right)^{5}\left(a^{2}\right)^{5}\left(b^{4}\right)^{5}$$

Codi -\frac{1}{2} i'r pŵer 5.

$$-\frac{1}{32}\left(a^{2}\right)^{5}\left(b^{4}\right)^{5}$$

I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion.

$$-\frac{1}{32}a^{2\times 5}b^{4\times 5}$$

Lluoswch 2 â 5.

$$-\frac{1}{32}a^{10}b^{4\times 5}$$

Lluoswch 4 â 5.

$$-\frac{1}{32}a^{10}b^{20}$$

Ehangu

$$-\frac{a^{10}b^{20}}{32}$$

Camau Ateb

Defnyddio rheolau esbonyddion i symleiddio’r mynegiad.

$$\left(-\frac{1}{2}a^{2}b^{4}\right)^{5}$$

I godi cyfanswm dau neu fwy o rifau i bŵer, codwch bob rhif i’r pŵer a chymryd eu cyfanswm.

$$\left(-\frac{1}{2}\right)^{5}\left(a^{2}\right)^{5}\left(b^{4}\right)^{5}$$

Codi -\frac{1}{2} i'r pŵer 5.

$$-\frac{1}{32}\left(a^{2}\right)^{5}\left(b^{4}\right)^{5}$$

I godi pŵer rhif i bŵer arall, lluoswch yr esbonyddion.

$$-\frac{1}{32}a^{2\times 5}b^{4\times 5}$$

Lluoswch 2 â 5.

$$-\frac{1}{32}a^{10}b^{4\times 5}$$

Lluoswch 4 â 5.

$$-\frac{1}{32}a^{10}b^{20}$$