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1. |
If polar of a circle \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\] with respect to \[(x',y')\] is \[Ax+By+C=0,\] then its pole will be |
A. | \[\left( \frac{{{a}^{2}}A}{-C},\frac{{{a}^{2}}B}{-C} \right)\] |
B. | \[\left( \frac{{{a}^{2}}A}{C},\frac{{{a}^{2}}B}{C} \right)\] |
C. | \[\left( \frac{{{a}^{2}}C}{A},\frac{{{a}^{2}}C}{B} \right)\] |
D. | \[\left( \frac{{{a}^{2}}C}{-A},\frac{{{a}^{2}}C}{-B} \right)\] |
Answer» B. \[\left( \frac{{{a}^{2}}A}{C},\frac{{{a}^{2}}B}{C} \right)\] | |