Question

Упростить выражение 5корень 2 + корень 32 - корень 98

Answer 1

$5 sqrt{2} + sqrt{32} - sqrt{98} = \ 5 sqrt{2} + sqrt{16 times 2} - sqrt{49 times 2} = \ 5 sqrt{2} + 4 sqrt{2} - 7 sqrt{2} = 2 sqrt{2}$

Answer 2

$5sqrt{2}+sqrt{32}-sqrt{98} =5sqrt{2}+sqrt{16*2}-sqrt{49*2}=5sqrt{2}+4sqrt{2}-7sqrt{2}=2sqrt{2}$