Enrhifo
\frac{\left(2a-9b\right)^{2}}{36}
Ehangu
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Rhannu
Copïo i clipfwrdd
\frac{1}{9}a^{2}-ab+\frac{9}{4}b^{2}
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(\frac{1}{3}a-\frac{3}{2}b\right)^{2}.
\frac{1}{9}a^{2}-ab+\frac{9}{4}b^{2}
Defnyddio'r theorem binomaidd \left(p-q\right)^{2}=p^{2}-2pq+q^{2} i ehangu'r \left(\frac{1}{3}a-\frac{3}{2}b\right)^{2}.
Enghreifftiau
Hafaliad cwadratig
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