The value of the determinant is equal to

Engineering

Mathematics

Introduction to Determinants

Properties of Determinant

Question

The value of the determinant $∣ \begin{array}{ccc} 1 & 2 & 3 \\ 3 & 5 & 7 \\ 8 & 14 & 20 \end{array} ∣$ is equal to

College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

The value of the determinant is $∣ \begin{array}{ccc} 1 & 2 & 3 \\ 3 & 5 & 7 \\ 8 & 14 & 20 \end{array} ∣$

= 1(100 – 98) – 2(60 – 56) + 3(42 – 40)

= 2 – 8 + 6 = 0