Question

calculați :
a) 2√7×4√3
b)-5√1/2×10√6
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Answer 1

Răspuns:

    a) $8\sqrt{21}$

    b) $-50\sqrt{3}$

Explicație pas cu pas:

    a) $2\sqrt{7}*4\sqrt{3}=8\sqrt{21}$

    b) $-5\sqrt{\frac{1}{2}}*10\sqrt{6}=-50\sqrt{\frac{1}{2}*6}=-50\sqrt{\frac{6}{2}}=-50\sqrt{3}$