Math, asked by shivadityasingh93, 2 months 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

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