Red phosphorus is used on the striking surface of matchboxes, where it reacts with the chemicals in the matchstick to ignite the match.
Find the equation of the circle passing through the points (1, 2) and (2, -1), and whose center lies on the line x - 2y + 3 = 0.
Solve: ∫[2x/(x4+1)] dx
Find the Perpendicular distance between two lines
6x + 8y = 18, 12x + 16y =20
Find the co-ordinate of the centroid of a triangle whose vertices are (1,3), (2,1) and (2,5)?
The slope of the equation 24x+8y=56 is
In a race A beats B by 120m. B beats C by 260m and A beats C by 300m what is the length of race?
If P(A) = 0.7, P(B) = 0.5 and P (B/A) = 0.3, find (i) P(A/B) (ii) P(A ∪ B)?
