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1
If A =
3
1 2 3
2 1 – 2
– 2 2 1
prove that A-1 = A’.
20220​

By Kennedy

1
If A =
3
1 2 3
2 1 – 2
– 2 2 1
prove that A-1 = A’.
20220​

About the author
Kennedy

(e) 24 + 3{16 – 2(8-1)} + 1
(1) 17+ {(42 – 20 – 2) – 8 of 6
(g) 30 – [15 – (8-6–8–7)}]
(h) 40 + 2[{22 – 18 – 16)

23) In the given figure, ABCD is a parallelogram. Find x,y,z​

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