Question

√8 + 4√32 - 6√2
Also tell me if the answer is a rational number or an irrational number...​

Answer 1

$\sqrt{8 } = 2 \sqrt{2}$

$4 \sqrt{32} = 4 \times 4 \sqrt{2} = 16 \sqrt{2}$

Now as similar surds can be added and subtracted so

$2 \sqrt{2} + 16 \sqrt{2} - 6 \sqrt{2} = 12 \sqrt{2}$

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