MCQOPTIONS
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MCQOPTIONS
| 1. |
What are the factors of \[{{a}^{2}}{{b}^{2}}+{{c}^{2}}{{d}^{2}}-{{a}^{2}}{{c}^{2}}-{{b}^{2}}{{d}^{2}}\]? |
| A. | \[(a+d),\,(a-d),(b+c)\] and \[(b-c)\] |
| B. | \[({{a}^{2}}-{{b}^{2}})\] |
| C. | \[({{a}^{2}}-{{d}^{2}})\] and \[({{b}^{2}}+{{c}^{2}})\] |
| D. | \[({{a}^{2}}+{{d}^{2}})\] and \[({{b}^{2}}-{{c}^{2}})\] |
| Answer» B. \[({{a}^{2}}-{{b}^{2}})\] | |