What type of matrix is a scalar matrix?

A. diagonal matrix जिसमें diagonal elements equal हों / Diagonal matrix with equal diagonal elements

Step 1: Identify the concept: this is scalar matrix. Step 2: A scalar matrix is a diagonal matrix with same scalar value on the diagonal. Step 3: Remember scalar matrix means equal diagonal values.

Step 1: concept पहचानें: यह scalar matrix है। Step 2: Scalar matrix diagonal matrix होती है जिसमें diagonal पर same scalar value होती है। Step 3: Scalar matrix means equal diagonal values याद रखें।