2. Reduce the quadratic form 8𝑥1
2 + 7𝑥2
2 + 3𝑥3
2 − 12𝑥1𝑥2 − 8𝑥2𝑥3 + 4𝑥3𝑥1 to a canonical form.
167165
804207
429216
654462
4534032
4110100
2917338
1608414
$\sqrt{13}* $\sqrt{13}
2+✓2+1+ $\infty$
4cos^2a*sin4a
30/40
Show geometrically (sketch) that the non-zero complex numbers z1 and z2 satisfies |z1 + z2| = |z1| + |z2| if and only if z1 and z2...
$\sqrt{5}* $\sqrt{5}* $\sqrt{5} $\sqrt{5}
\frac{3}{\sqrt{x}+2}+\frac{\sqrt{x}}{\sqrt{x}-2}+\frac{9\sqrt{x-10}}{4-x}
