exam Maths Puzzle Numerical Ability

Find three consecutive integers such that the sum of their squares is 77.

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exam Other Question

let f(x)=3-8x2+17x-9. use the factoe theorem to find other soulations to f(x)-f(1)=0, besides x=1 Graph the functions y=x and y=sqrt(x) on the same graph (by plotting points if necessary). Show the points of intersection of these two graphs.