exam Maths Puzzle Numerical Ability

Here is yet another one I got a wrong answer to...I got 6.

(2 + SQRT<2>)(2 + SQRT<2>)

Thanks!

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exam Other Question

1. prove that:
n�-1000n-> infinity as n-> infinity

2. use standard results to show that:
n^2-3n+1/n+5 ->infinity as n->infinity The 5 state forest in Texas cover a total of 7000 acres.
What percent of the state forests' area is contained in Siecke, Materson and kirby state forests combined?

Siecke 17
M