Ehangu
a^{6}-a^{2}+2a-1
Enrhifo
a^{6}-\left(a-1\right)^{2}
Rhannu
Copïo i clipfwrdd
a^{6}-\left(a^{2}-2a+1\right)
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(a-1\right)^{2}.
a^{6}-a^{2}+2a-1
I ddod o hyd i wrthwyneb a^{2}-2a+1, dewch o hyd i wrthwyneb pob term.
a^{6}-\left(a^{2}-2a+1\right)
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(a-1\right)^{2}.
a^{6}-a^{2}+2a-1
I ddod o hyd i wrthwyneb a^{2}-2a+1, dewch o hyd i wrthwyneb pob term.
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