Question

<br />$\frac{16}{25} {x}^{2} + \frac{9}{16} {y}^{2} + 9 {z}^{2} - \frac{6}{5} xy - \frac{9}{2} yz + \frac{24}{5} zx$<br />​

Answer 1

Answer:

don't get to know question