ai putea sa ma ajuti la aceasta

radical50=5radical2
radical128=8radical2
radical200=10radical2
5rad2-8rad2+10rad2=-3rad2+10rad2=7rad2
7radical2=radical98
radical n = radical 98
Răspuns:
Explicație pas cu pas:
√50=√25·√2=5√2
√128=√64·√2=8√2
√200= √100·√2=10√2
√50-√128+√200=5√2-8√2+10√2=7√2=√49·√2=√98
√50-√128+√200= √n
√98=√n⇒ n= 98 ∈N