Answers

2016-06-25T01:55:40+08:00
1)t²=3-3
√t²=√0
t=0;any real numbers

2) 3s²=48
√3s²=√48
s√3=√4*12
s√3/√3=2√12/√3
s=2√4
s=2*2
s=4

3)4s²=0
√4s²=√0
2s=0
2s/2=0/2
s=0/2 ;s=0
undefined

0