exam Maths Puzzle Numerical Ability

What is the graph of the equation 5x2 + 2y2 + 30x - 16y + 67 = 0?

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exam Other Question

show how to get the square root of 5,248 - need to see step by step Which one of the following is not a factor of the expression

(p+ q + r) ^3 - p^3 - q^3- r^3

1) p+q 2) q+p c) p+r d) p+q+r