IPMAT IndoreAlgebra > Hard1222\sqrt{2}2222\sqrt{2}2✅ Correct Option: 2Related questions:IPMAT Indore 2019If a,b,ca, b, ca,b,c are real numbers and a2+b2+c2=1a^2 + b^2 + c^2 = 1a2+b2+c2=1, then the set of values ab+bc+caab + bc + caab+bc+ca can take is: