If Q is$\left[ \begin{array}{cc} 9 & -2 \\ -7 & 4 \\ \end{array} \right]$ , then |Q| is?

Similar Questions

Convert 2710 to another number in base three...

A number is selected at random between 10 and 20, both numbers inclusive. Find the probability that ...

Simplify: $\sqrt{12} ( \sqrt{48} - \sqrt{3}$)...

A sum of money invested at 5% per annum simple interest amounts to $285.20 after 3 years. How long w...

A trader bought goats for N4000 each. He sold them for N180,000 at a loss of 25%. How many goats did...

From a point on the edge of the sea, one ship is 24km away on a bearing S 50oE and another ship is 7...

Given that 2p - m = 6 and 2p + 4m = 1, find the value of (4p + 3m). ...

5, 8, 6 and k occur with frequency 3, 2, 4, and 1 respectively and have a mean of 5.7. Find the valu...

If {X: 2 d- x d- 19; X integer} and 7 + x = 4 (mod 9), find the highest value of x ...

The derivative of cosec x is ...