Question

calcule: a)2.3²+2².3²= b)8²+(-8)²= c)2(-3)²+2.3³= d)√80/5= e)√1/2.√32=

Answer 1

a)2.3²+2².3² = 6.3² = 54

b)8²+(-8)² = 0

c)2(-3)²+2.3³=2.9+2.27=18+54 = 72

d)√80/5=  √16 = 4

e)√1/2.√32= √16= 4