V Part A Two loudspeakers are 1.50 m apart. A person stands 3.70 m from one speaker and 4.10 m from the other. What is the lowest frequency at which destructive interference will occur at this point if the speakers are in phase? HA :89 ? f = 428.75 . 10' Hz Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining V Part B Calculate two other frequencies that also result in destructive interference at this point (give the next two highest). Let T =20'C. Enter your answers numerically separated by a comma. ? f2. f3 = 1286.25 . 103,2143.75 . 103 Hz