book Maths Puzzle Numerical Ability

(x-1)^2/4 +y^2 = 4
What is the equation of the ellipse in general form?

Read Solution (Total 0)

book Other Question

Solve. -9(x-3)^2=-7

Please help.

Thank you. I believe this is linear algebra.

Two rivers running from south to north,

Is this well defined or not well defined?