Ehangu
16n^{2}+8n+1
Enrhifo
\left(4n+1\right)^{2}
Rhannu
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16n^{2}+8n+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(4n+1\right)^{2}.
16n^{2}+8n+1
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(4n+1\right)^{2}.
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