Question

- 1. Find the value of the determinant -1 7 2 4​

Answer 1

Answer:

i hope you understand the answer and mark in brainlist answer

Answer 2

Step-by-step explanation:

$\tt \red{ \implies\left |\begin{matrix} -1 & 7 \\2 & 4 \end{matrix}\right| }$

$\pink{\det \bigg(\left | \begin{matrix} -1 & 7 \\2 & 4 \end{matrix}\right| \bigg)}$

$\tt \blue{-4-7\times 2 }$

$\tt \purple{-4-14 }$

$\tt \green{ - 18 }$