book Maths Puzzle Numerical Ability

Determine the standard form of the equation of a hyperbola with vertices (2,0) and (-2,0) and passing through (4,3)

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book Other Question

SOlve for x

2 / x+1 plus 1 = 9 / x+1

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In a community called Clearain, the following pattern of rain and shine occurs. If it rains on a given day, it will rain on the next day too, unless the day previous to the given d