Question 24

loading...

Prev/Next links

Jambmaths question: 

Find the value of $\left| \begin{matrix}   0 & 3 & 2  \\   1 & 7 & 8  \\   0 & 5 & 2  \\\end{matrix} \right|$

Option A: 

–1

Option B: 

–2

Option C: 

12

Option D: 

10

Jamb Maths Solution: 

$\begin{align}  & \left| \begin{matrix}   0 & 3 & 2  \\   1 & 7 & 8  \\   0 & 5 & 2  \\\end{matrix} \right|=0(28-40)-3(2-0)+2(5-0) \\ & =0-6+10=-4 \\\end{align}$

Jamb Maths Topic: 
Year of Exam: