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

Question

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

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Margaret 2 months 2021-10-10T19:31:45+00:00 1 Answer 0 views 0

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    2021-10-10T19:33:02+00:00

     \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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