\left\{ \left( ^{n}C_{0}+^{n}C_{3}+...\right)-\frac{1}{2}\left(^{n}C_{1}+^{n}C_{2}+^{n}C_{4}+^{n}C_{5}+.... \right)\right\}^{2}+\\\frac{3}{4}\left(^{n}C_{1}-^{n}C_{2}+^{n}C_{4}-^{n}C_{5}+....\right)^{2} = ?
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\left\{ \left( ^{n}C_{0}+^{n}C_{3}+...\right)-\frac{1}{2}\left(^{n}C_{1}+^{n}C_{2}+^{n}C_{4}+^{n}C_{5}+.... \right)\right\}^{2}+\\\frac{3}{4}\left(^{n}C_{1}-^{n}C_{2}+^{n}C_{4}-^{n}C_{5}+....\right)^{2} = ?