va rog frumos am nevoie pana maine

a)(1+rad5)^2=1+2rad5+5=6+2rad5 Adevărat (am folosit formula de calcul prescurtat (a+b)^2 = a^2 + 2ab + b^2)
b)(3-rad2)^2=9-6rad2+2=11-6rad2 Adevărat
c)(rad3+2rad2)^2=3+4rad6+8=11+4rad6 Adevărat
d)(5-rad7)^2=25-10rad7+7=32-10rad7 Adevărat
e)Pe foaie.