Question

The commercial jets at 40 000 ft are flying at 520 mph along straight-line courses that cross at right angles. How fast is the distance between the planes closing when plane A is 5 mi from the intersection point and plane B is 12 mi from the intersection point.

show that 2+root 6 is an irrational no.

HOW I SPEAK ENGLISH FREQUENTLY ? 

Please translate the videos to English pls

Please give entry for -loan taken from his uncle 5000

A,B,c arev three mutually exclusive and exhaustive events associated with a random experiment.find p(A) if it is given that p(b)=3/2 p(A) and p(C)=1/2 p(B).

sir 5.1, 5 question .. 

sir when we subtracting 1from to 

how can come -DC one side and +DC second side.

tell me sir i am not getting... plzzzz

Write (1/3+3i) in the form of a+ib