exam Maths Puzzle Numerical Ability

4+2x>12

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exam Other Question

can someone please help me with this question?

If x^/a^2 + y^2/b^2=1a>b is an ellipse then its directrices are__________?

thanks for any help. this is from a question in clas Hi turor,
One more time I going to need your help. Thanks and god bless you.

1)The golden ratio. The ancient Greeks thought that the most pleasing shape for a rectangle was