If A and B are square matrices of the same order, then (A+B) (A-B) is equal to
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → $A^2-B^2+BA-AB$
$(A+B) (A-B)$
$=A^2-AB+BA-B^2$
If A and B are square matrices of the same order, then (A+B) (A-B) is equal to
Correct answer: option 4
The correct answer is Option (4) → $A^2-B^2+BA-AB$
$(A+B) (A-B)$
$=A^2-AB+BA-B^2$