Question

ex
$8 \sqrt{48} - 8 \sqrt{80} + 5 \sqrt{405} - 7 \sqrt{147}$
8V48-8V80+5V405-7V147 calculat​

Answer 1

Explicație pas cu pas:

8√2⁴*3 - 8√2⁴*5 √9²*5 -7√7²*3=

8*2²√3-8*2²√5+5*9√5-7*7√3=

32√3-32√5+45√5-49√3=

-17√3-77√5