Datrys x^5+x^4+x^2+1/x^2+1

$$x ^ { 5 } + x ^ { 4 } + x ^ { 2 } + 1 / x ^ { 2 } + 1$$

Enrhifo

$$x^{5}+x^{4}+x^{2}+1+\frac{1}{x^{2}}$$

Camau Ateb Byr

I ychwanegu neu dynnu mynegiannau, rhaid i chi eu ehangu i wneud eu enwaduron yr un fath. Lluoswch x^{5}+x^{4}+x^{2}+1 â \frac{x^{2}}{x^{2}}.

$$\frac{\left(x^{5}+x^{4}+x^{2}+1\right)x^{2}}{x^{2}}+\frac{1}{x^{2}}$$

Gan fod gan \frac{\left(x^{5}+x^{4}+x^{2}+1\right)x^{2}}{x^{2}} a \frac{1}{x^{2}} yr un dynodydd, adiwch nhw drwy adio eu rhifiaduron.

$$\frac{\left(x^{5}+x^{4}+x^{2}+1\right)x^{2}+1}{x^{2}}$$

Gwnewch y gwaith lluosi yn \left(x^{5}+x^{4}+x^{2}+1\right)x^{2}+1.

$$\frac{x^{7}+x^{6}+x^{4}+x^{2}+1}{x^{2}}$$

Ffactor

$$\frac{x^{7}+x^{6}+x^{4}+x^{2}+1}{x^{2}}$$