Book Maths Puzzle Category

If k is the ratio of the equation x^2-ax+b=0,then the value of k^2+1/k is

Read Solution (Total 0)

Book Other Question

4sqrt (3x^2)+5x-2sqrt (3)=0. Find the value of x A manstanding on a platform 220m long notices that a train passes him in 6 sec and passes completely through the station in 21 sec . Find the length of the train and its speed in k/h.