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I started the question but got the wrong answer according to the mark scheme. Please help?

I started the question but got the wrong answer according to the mark scheme. Please help?
218k views
4 votes
I started the question but got the wrong answer according to the mark scheme. Please help?

I started the question but got the wrong answer according to the mark scheme. Please-example-1
User Corey Trager
by
7.7k points

1 Answer

5 votes
start by multiply by sqrt2 / sqrt2

= 8 sqrt2 - 3*2
---------------
2

= -3 + 4 sqrt 2
User Sethammons
by
7.5k points
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