\(\begin{vmatrix} -2 & 1 & 1 \\ 2 & 1 & k \\1 & 3 & -1 \end{vmatrix}\) = 23

Similar Questions

Find the equation of the locus of a point A(x, y) which is equidistant from B(0, 2) and C(2, 1) ...

The smallest number such that when it is divided by 8 has a remainder of 6 and when it is divid...

if (x - 1), (x + 1) and (x - 2) are factors of the polynomial ax3 + bx2 + cx - 1, find a, b, c in th...

The line \(3y + 6x\) = 48 passes through the points A(-2, k) and B(4, 8). Find the value of k....

Given that ξ = {1, 2, 3, . . . . . . ,10}, P= (x : x is prime) and Q = {y : y is odd}, find Pl∩Q...

The interquartile range of distribution is 7. If the 25th percentile is 16, find the upper quartile....

In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x...

Find the range of values of x for which\(\frac{x+2}{4}-\frac{x+1}{3}>\frac{1}{2}\)...

Solve the inequality: -7 \(\leq\) 9 - 8x < 16 - x...

If cot \(\theta\) = \(\frac{x}{y}\), find cosec\(\theta\)...