va rog ex 5 !!!!!!!!!!

Va Rog Ex 5 class=

Răspuns :

a=/k×(2-√2)/2-(4-4√2+2)-√(3+2√2)²
a=/2k-k√2/2-(6-4√2)-(3+2√2)
a=/2k-k√2/2-6+4√2-3-2√2
a=/2k-k√2/2-9+2√2
a=/2k-k√2/2-9+2√2, k∈R.