MCQOPTIONS
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| 1. |
Factorize: \[-2xy\text{ }+\text{ }1\text{ }-\text{ }{{y}^{2}}-\text{ }{{x}^{2}}\] |
| A. | \[\left( 1\text{ }+\text{ }x\text{ }-\text{ }y \right)\left( 1\text{ }\text{ }x\text{ }+\text{ }y \right)~\] |
| B. | \[\left( 1\text{ }+\text{ }x\text{ }+\text{ }y \right)\left( 1\text{ }\text{ }x\text{ }-\text{ }y \right)\] |
| C. | \[\left( 1\text{ }+\text{ }xy \right)\left( x\text{ }+\text{ }y\text{ }+\text{ }l \right)~\] |
| D. | \[\left( 1\text{ }-\text{ }xy \right)\left( 1+\text{ }x\text{ }+\text{ }y \right)\] |
| E. | None of these |
| Answer» C. \[\left( 1\text{ }+\text{ }xy \right)\left( x\text{ }+\text{ }y\text{ }+\text{ }l \right)~\] | |