exam Maths Puzzle Numerical Ability

Sketch the graph of the ellipse (x-3)^2/49 + (y+2)^2/9 = 1. Lavel amd find the coordinates of the four vertices of the ellipse. The center of the ellipse is (3,-2).

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exam Other Question

Please help me. Simplify:
a) (8^n)(2(^n-2)(4(^n+1)(3^n)/sqrt3^2n
b) (2^x)(8(^x+2)(32(^2x-1)/8^x)(sqrt4^x) I am having a hard time with a basic proof...I need to prove a triangle AGC is Isosceles.
Line GB is equal and congruent to line GD
angle BGE is equal and congruent to angle DG