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( A= left[ begin array ccc 2 & 0 & 1 2 & 1 & 3 1 & -1 & 0 end array right] এবং g(y)= left[ begin array ccc cos y & - sin y & 0 sin y & cosy & 0 0 & 0 & 1 end array right] ) | Suva Ai