MCQOPTIONS
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MCQOPTIONS
| 1. |
Factorization: \[\mathbf{1}-\mathbf{18z}-\mathbf{63}{{\mathbf{z}}^{\mathbf{2}}}\] |
| A. | \[\left( 3-21z \right)\left( 1+3z \right)\] |
| B. | \[\left( 1-21z \right)\left( 1+3z \right)\] |
| C. | \[\left( 2+21z \right)\left( 1+3z \right)\] |
| D. | \[\left( 1-7z \right)\left( 1+2z \right)\] |
| Answer» C. \[\left( 2+21z \right)\left( 1+3z \right)\] | |