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  • Find the equation of the chord of contact of the tangents drawn from P(4,3) to the circle <img alt="x^{2}+y^{2}=16" src="https://entrancecorner.oncodecogs.com/gif.latex?x%5E%7B2%7D&pl

Find the equation of the chord of contact of the tangents drawn from P(4,3) to the circle x^{2}+y^{2}=16

Option: 1

4x-3y=4


Option: 2

4x+3y=4


Option: 3

4x+3y=16


Option: 4

4x-3y=16


Answers (1)

best_answer

\\\text{We know that the equation of chord of contact}, \mathrm{AB}\, is\,\,T=0 \\ \mathrm{xx}_{1}+\mathrm{yy}_{1}=\mathrm{a}^{2} \\ \text{Here Equation of chord of contact of }x^{2}+y^{2}=16,\\ 4x+3y=16

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