In Exercise find the change of variable x = Py that transforms the quadratic form xTAx into yTDy as shown.3x12 +3x22+5x32 + 6x1x2+2x1x3 +2x2x3 = 7yl 2+ 4y22[Hint: x and y must have the same number of coordinates, so the quadratic form shown here must have a coefficient of zero for y32.

Week 1 MUL2010 Intro to Music Lit 1 Introduction to Music Literature ♪ WEEK 1 NOTES ♪ ▯ Main Theme ♪ PROPERTIES OF SOUND Scientific Terms Musical Terms • Duration (seconds, etc) •mhhy • Frequency (Hz) •ctiP • Volume (dB) • Dynamics • Waveform • Tone color/Timbre all sounds must have these properties.