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In order to determine equation of tangent at a point (a,b) on any curve we replace x^2 by xa x by (x+a)/2 simlarly with which quatity xy is interchanged .??

In order to determine equation of tangent at a point (a,b) on any curve we replace x^2 by xa x by (x+a)/2  simlarly with which quatity xy is interchanged.??

Grade:12

1 Answers

Ritwik Garg
41 Points
9 years ago

xy is rewritten as 1/2*(2xy)=1/2*(xy+xy)

To find the tangent replace x and y alternately in each term

that means 1/2*(ay+bx)

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