Enrhifo
12\sqrt{2}+17\approx 33.970562748
Ehangu
12 \sqrt{2} + 17 = 33.970562748
Rhannu
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\left(2\sqrt{2}+3\right)^{2}
Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.
4\left(\sqrt{2}\right)^{2}+12\sqrt{2}+9
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2\sqrt{2}+3\right)^{2}.
4\times 2+12\sqrt{2}+9
Sgwâr \sqrt{2} yw 2.
8+12\sqrt{2}+9
Lluosi 4 a 2 i gael 8.
17+12\sqrt{2}
Adio 8 a 9 i gael 17.
\left(2\sqrt{2}+3\right)^{2}
Ffactora 8=2^{2}\times 2. Ailysgrifennu ail isradd y lluoswm \sqrt{2^{2}\times 2} fel lluoswm ail israddau \sqrt{2^{2}}\sqrt{2}. Cymryd isradd 2^{2}.
4\left(\sqrt{2}\right)^{2}+12\sqrt{2}+9
Defnyddio'r theorem binomaidd \left(a+b\right)^{2}=a^{2}+2ab+b^{2} i ehangu'r \left(2\sqrt{2}+3\right)^{2}.
4\times 2+12\sqrt{2}+9
Sgwâr \sqrt{2} yw 2.
8+12\sqrt{2}+9
Lluosi 4 a 2 i gael 8.
17+12\sqrt{2}
Adio 8 a 9 i gael 17.
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y = 3x + 4
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}