For an ellipse with semi-major axis ‘a’ and semi-minor axis ‘b’. Prove that 
Given: For an ellipse with semi-major axis ‘a’ and semi-minor axis ‘b.’
To prove: ![]()
An ellipse with semi-major axis ‘a’ and semi-minor axis ‘b.’
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Differentiating both sides with respect to x:

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Differentiating both sides with respect to x:











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Hence Proved
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