x = 2 or 1
x = 3 or -1
x = 1 or 0
x = 1 or 2
Correct answer is B
x2 − 2x − 3 = 0
−3x + x = − 2x
− 3x × x = − 3x2
(x2 − 3x)(x − 3) = 0
(x − 3)(x + 1) = 0
Either (x − 3) = 0 or (x + 1) = 0
x = 3 or − 1
Make c the subject of formula v = 1 - a5(b + 3c7)...
The graph given is for the relation y = 2x2 + x - 1.What are the coordinates of the point S?...
Solved the equation 2x2−x−6 = 0...
In the given diagram, ¯QT and ¯PR are straight lines, < ROS = (3n - 20), < S...
The first term of a G.P is 7. Find its 4th term, if its common ratio is 3. ...
In the diagram, |QR| = 10cm, PR⊥QS, angle PSR = 30° and angle PQR = 45°. Calculate in m...