CBSE BOARD XII, asked by cooladi088, 1 month ago

determinant properties | 2 45 55 1 19 32 3 68 87 | =54 solve the full method

Answers

Answered by Akankshapatel763

0

Answer:

| 2 45 55 1 19 32 3 68 87 | =54

=2(29×87−68×32)−45(87−3×32)+55(68−3×29)

=2×347−45(−9)+55(−19)

=54

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