please give the equation of the tangent for this question
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2x÷a+2y÷b(dy÷dx)=0
dy÷dx= -bx1÷ay1
this is the slope of eqn therefore y-y1=m(x-x1)
dy÷dx= -bx1÷ay1
this is the slope of eqn therefore y-y1=m(x-x1)
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what is the question
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