- 21
- 22
- 24
- 25
Correct answer is B
\(\frac{6x + k}{2x^2 + 7x - 15} = \frac{4}{x + 5} - \frac{2}{2x - 3}\)
6x + k = 4 (2x - 3) - 2(x + 5)
6x + k = 8x - 12 - 2x - 10
6x + k = 6x - 22
k = - 22
Find the number of different arrangements of the word IKOTITINA. ...
Find the equation to the circle \(x^{2} + y^{2} - 4x - 2y = 0\) at the point (1, 3)....
Solve 6 sin 2θ tan θ = 4, where 0º < θ < 90º ...
If \(\begin{vmatrix} m-2 & m+1 \\ m+4 & m-2 \end{vmatrix} = -27\), find the value of m...
If the polynomial \(f(x) = 3x^{3} - 2x^{2} + 7x + 5\) is divided by (x - 1), find the remainder....
Simplify: \((1 - \sin \theta)(1 + \sin \theta)\)...
Express (14N, 240°) as a column vector. ...
A function is defined by \(f(x) = \frac{3x + 1}{x^{2} - 1}, x \neq \pm 1\). Find f(-3)....