Question
if s= {a,b,c,d} where a={ }, b={a,b}, c={a,c} and d={a,b,c}. show that u is a binary operation on s but n is not
In how many ways 5 boys and 5 girls may be arranged around a table so that no two girls sit together?
- Let A= {a,b,c,d,e,f,g,x,y,z}, b= {1,2,c,d,e}and c={d,e,f,g,2,y}. Verify A -(
Maths
Dec. 8, 2019, 8:49 p.m.
Answer
3.3 ka Q.1 ka ma ap na 5 ro 6 ke solution video de ha plzz video upload thanks
The angle of elevation of an aeroplane from a point on the ground is 60° .After a flight of 30 sec the angle of elevation becomes 30°. If the aeroplane is flying at a constant height of 3000√3 m, find the speed of the aeroplane.
Can understand till how it's is proved as parallelogram but after that cannot understand
How each angle is 90°
How each angle is 90°