1, 3
-1, -3
1, -3
-1, 3
Correct answer is A
\(f(x) = 3x^{2} - 12x + 12\) and \(f(x) = 3\)
\(\therefore f(x) = 3 = 3x^{2} - 12x + 12 \implies 3x^{2} - 12x + 12 - 3 = 0\)
\(3x^{2} - 12x + 9 = 0; 3x^{2} - 9x - 3x + 9 = 0\)
\(3x(x - 3) - 3(x - 3) = (3x - 3)(x - 3) = 0\)
3x - 3 = 0 or x - 3 = 0
\(x = 1 or 3\)
A stone is thrown vertically upward and distance, S metres after t seconds is given by S = 12t ...
Find the equation of the normal to the curve y = \(3x^2 + 2\) at point (1, 5)...
If \(x = i - 3j\) and \(y = 6i + j\), calculate the angle between x and y...
Find the range of values of x for which 2x\(^2\) + 7x - 15 ≥ 0....
Differentiate \(\frac{5x^{3} + x^{2}}{x}, x\neq 0\) with respect to x....
Given that g ; x \(\to\) 3x and f ; x \(\to\) cos x. Find the value of g\(^o\) f(20\(^o\)) ...
Simplify \(\frac{9*3^{n+1} - 3^{n+2}}{3^{n+1} - 3^{n}}\)...
Given that \(P = \begin{pmatrix} 4 & 9 \end{pmatrix}\) and \(Q = \begin{pmatrix} -1 & -2 \\ ...
A car is moving at 120\(kmh^{-1}\). Find its speed in \(ms^{-1}\)....
Evaluate \(\lim \limits_{x \to 3} \frac{x^{2} - 2x - 3}{x - 3}\)...