Question

EX 9. AM NEVOIE DE EL URGENT VĂ ROG!!!!!!!!!!!!!!!!!!

Answer 1

Explicație pas cu pas:

a) 3√50-5√32+√98-√18

15√2-5×2²√2+7√2-3√2

15√2-5×4√2 +7√2-3√2

15√2 -20√2 +7√2 - 3√2

=-√2

c) 3√20+4√45-2√125 +√80

6√5 +12√5 − 10√5 + 4√5

=12√5

e) -3√24-√150+√96-2√54

-6√6-5√6 +4√6 -6√6

=-13√6

b) 2√75-3√12-√27+ √48

10√3-6√3-3√3 +4√3

=5√3

d) 5√28+√63-2√175 -√112

10√7+√63-10√7-4√7

3√7-4√7

=-√7

f) -√108-√75+√300-7√12

-6√3-5√3+10√3-14√3

=-15√3