Is this matrix multiplication problem done correctly?
In the answer the labeling of the matrix Z appears to change with the assessment of answer choices B and C. Shouldn't matrix Z have one row and two columns? Wouldn't that make answer C also "NO"?
Yes, you are right...The answer C is having an error and since matrix Z has one row and two columns, that makes C also a valid answer as that combination of matrices also cannot be multiplied...
Thanks a lot for your correction. I will be taking this problem offline for correction in a day or two..
Please feel free to explore more questions and kindly let us know for possible mistakes..
Comments
Is this matrix multiplication problem done correctly?
In the answer the labeling of the matrix Z appears to change with the assessment of answer choices B and C. Shouldn't matrix Z have one row and two columns? Wouldn't that make answer C also "NO"?
Yes, you are right...The answer C is having an error and since matrix Z has one row and two columns, that makes C also a valid answer as that combination of matrices also cannot be multiplied...
Thanks a lot for your correction. I will be taking this problem offline for correction in a day or two..
Please feel free to explore more questions and kindly let us know for possible mistakes..
Prof. Prashant More
Administrator, FE Success.