Ellipse Common tangents: 2 Additional questions (details in description)

Ellipse Common tangents: 2 Additional questions (details in description)

Ellipse Common tangents: Additional questions 0:00 SE1: If x-2y+4=0 is a common tangent to y^2=4x and x^4+y^2/b^2=1, then the value of b and other common tangent is given by? 2:05 SE2: The equation of common tangent in the first quadrant to the circle x^2+y^2=16 and ellipse x^2/25+y^2/4=1 makes intercept between the axes. Find the value of k if the length of intercept is 14/k^1/2 Support the channel: UPI link: 7906459421@okbizaxis UPI Scan code: https://mathsmerizing.com/wp-content/... PayPal link: paypal.me/mathsmerizing