Find the determinant of matrix M. [3]
Markscheme:[M1] correct expansion shown, allowing sign slips.[A1] correct (unsimplified) expression obtained [A1] correct answer obtained (this can also earn both A1 marks if correct expression is not shown)[B1] stating M is not singular (must show their determinant is non-zero)
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Answered by Apoorva S. • Further Mathematics tutor
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