1.

If `({:(1, 0),(0, 1):})({:(a, b+c),(b-c, d):}) = ({:(4, -5),(3, 2):})`, then (a-b) + (c-d)=____.A. -2B. 9C. 2D. -1

Answer» Correct Answer - D
Apply matrix multiplication concept and then equate the corresponding elements.


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