JEE MAIN - Mathematics Hindi (2019 - 8th April Evening Slot - No. 11)

यदि ƒ(1) = 1, ƒ'(1) = 3 है, तो ƒ(ƒ(ƒ(x))) + (ƒ(x))² का व्युत्पन्न x = 1 पर है :