important excel short keys
Question
Show that the function ݂ given by ݂f(x)=x^3-3x^2+4x , x€R is strictly increasing on R.
Show that the function ݂ given by ݂(ݔ = (ݔ ଷ − 3ݔ ଶ + 4ݔ ,ݔ ܴ ∋ is strictly increasing on R.
Maths
March 20, 2019, 8:38 p.m.
Answer
find equation of LINE which cuts off an intercept 2 on the positive direction of x-axis and an intercept 5 on the negative direction of y axis
The length of shadow of a 1.5 m long tree on a plane surface is 1 m and at the same time if length of shadow of a tower is 5 m, then find the height of the tower.
The distance between two places A and B is 150 km and there are 5 traffic signals between them. If a car runs at a constant speed of 60 km/h and stops at first, second, ……..., ……..., fifth signal for 1 minute, 2 minutes, ……..., ……..., 5 minutes respectively, then find the total time taken by the car to reach from A to B.
In triangle ABC and triangle XYZ if angel a and angel x are acute angles such that cos a =cos x then show that angle A= angle X