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Ehangu
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Rhannu
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100a^{2}+600ab+900b^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(10a+30b\right)^{2}.
100a^{2}+600ab+900b^{2}
Defnyddio'r theorem binomaidd \left(p+q\right)^{2}=p^{2}+2pq+q^{2} i ehangu'r \left(10a+30b\right)^{2}.
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