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3√8+3√32-3√18
Va rog rapiddd


Răspuns :

3√8+3√32−3√18 =
3(√8+√32−√18)
= 3(2√2+4√2−3√2)
= 3×3√2
= 9√2
3√8+3√32-3√18 =

= 3√2^2×2 + 3√2^4×2 - 3√3^2×2

= 6√2 + 12√2 - 9√2

= 9√2