1, -2
-1, 2
2, 3
-1. -2
-2, -3
Correct answer is A
to find the values of x for which the expression is underlined, let x2 + x - 2 = 0
By factorizing, we have (x + 2)(x - 1) = 0
when x + 2 = 0, when x - 1 = 0, x = -2 or x = 1
The two values are -2 and 1
In the diagram, O is the center of the circle, If ∠POQ = 80o and ∠PRQ = 5x, find the va...
Express the product of 0.06 and 0.09 in standard form ...
U is inversely proportional to the cube of V and U = 81 when V = 2. Find U when V = 3 ...
Find \(\frac{\mathrm d y}{\mathrm d x}\) if \(y = \cos x\)....