Question
Something went wrong in 13.1 18 question I think that video is not correct
By which method we know that 200 will be out of under root and 6 will be inside it
A man observed 2 verticle poles which are fixed to each other on either of the road if the width of the road is 90 feet and heights of the pole in the ratio 1:2 also the angle of elevation of their tops from a point between the line joining the foot of the poles on the road is 60 find the heights of the poles
Maths
Feb. 28, 2020, 9:30 a.m.
Answer
Mean of 40terms is 25 and SD is 4then the sum of squares of all terms
