MCQOPTIONS
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MCQOPTIONS
| 1. |
Square of \[9x-7xy\] is |
| A. | \[81{{x}^{2}}+49{{x}^{2}}{{y}^{2}}\] |
| B. | \[81{{x}^{2}}-49{{x}^{2}}{{y}^{2}}\] |
| C. | \[81{{x}^{2}}+49{{x}^{2}}{{y}^{2}}-126{{x}^{2}}y\] |
| D. | \[81{{x}^{2}}+49{{x}^{2}}{{y}^{2}}-63{{x}^{2}}y\] |
| Answer» D. \[81{{x}^{2}}+49{{x}^{2}}{{y}^{2}}-63{{x}^{2}}y\] | |