उत तर:
स पष ट करण:
#F (x) = 4x ^ 2 (एक स 2) -12x (एक स 2) +8 (एक स 2) + 0 #
#color (सफ द) (f (x)) = (एक स 2) (4x ^ 2-12x + 8) #
#color (सफ द) (f (x)) = 4 (एक स 2) (x ^ 2-3x +2) #
#color (सफ द) (f (x)) = 4 (एक स 2) (एक स 2) (एक स 1) #
#color (सफ द) (f (x)) = 4 (एक स 2) ^ 2 (एक स 1) #
# RArr4 (एक स 2) ^ 2 (एक स 1) = 0 #
#rrr "जड " # ह
# x = 2 "ग णन 2 और" x = 1 "ग णन 1" #