C-03-Q216mediumsingle_mcqSame data, (a+b)2=?(a+b)^2 = ?(a+b)2=?a151515b999c333d181818ব্যাখ্যা(a+b)2=a2+b2+2ab=9+2(3)=9+6=15(a+b)^2 = a^2 + b^2 + 2ab = 9 + 2(3) = 9 + 6 = 15(a+b)2=a2+b2+2ab=9+2(3)=9+6=15.