MCQOPTIONS
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| 1. |
If (4a +7b) (4c-7d) = (4a -7b) (4c +7d, then which one of the following is correct ? |
| A. | a/b = c/d |
| B. | a/d = c/b |
| C. | a/b = d/c |
| D. | none |
| Answer» B. a/d = c/b | |