Math, asked by shivadityasingh93, 17 days ago

If the value of the determinant is -42, find the value of m'. 120​

Answers

Answered by Nikitacuty
17

=4m−(−5)×6=58

=4m+30=58

=4m=28    ∴m=7

Please mark me as brainliest answer

Similar questions