A matrix \( X \) has \( a+b \) rows and \( a+2 \) columns while the...

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A matrix \( X \) has \( a+b \) rows and \( a+2 \) columns while the matrix \( Y \) has \( b+1 \) rows and \( a+3 \) columns. Both matrices \( X Y \) and \( Y X \) exist. Find \( a \) and \( b \). Can you say \( X Y \) and \( Y X \) are of the same type? Are they equal.

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