ok i know this is simple but i cant see how to do it it needs to be in the for a√b (thats supposed to be a square root) 7√2 - 3√8 thanks
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Hello, Originally Posted by pop_91 ok i know this is simple but i cant see how to do it it needs to be in the for a√b (thats supposed to be a square root) 7√2 - 3√8 thanks Note that $\displaystyle 8=4 \times 2$ $\displaystyle \implies \sqrt{8}=\sqrt{4} \times \sqrt{2}=2 \sqrt{2}$ Can you finish it ?
is it √2 ??
Originally Posted by pop_91 is it √2 ?? Yes it is
thanks
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