Question

Îmi trebuie asta rpd va rog ;-;​

Answer 1

Răspuns:

Explicație pas cu pas:

a)1/√6×(7/2-4/3-2)=(7×3-4×2-6)/2√6=(21-8-6)/2√6=7√6/2×6=7√6/12

b)2/3√2+5/2√2+3/3√2-1/√2=1/√2(2/3+5/2)=19/6√6=19√6/6

c) 1/√5(1-2/3+3/5)=(15-10+9)/6√5=14√5/6×5=7√5/15

d)1/√5(3-1+1/2)=5√5/10=√5/2