Q2 of 61 Page 16

Find the values of following determinants.

(1)


(2)


(3)

we know, determinant of a 2 × 2 matrix 

is (ad - bc)

(1) (–1× 4) – (7 × 2) = –4 – 14 = –18


(2) (5× 0)– (3× –7)= 0 –(–21) = 21


(3) = =

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