उत तर:
#{-4,0,6,12}#
स पष ट करण:
जब x = -1, f (x) = # 2x -2 # = #2(-1)-2# = -4.
जब x = 1, f (x) = # 2x -2 # = #2(1)-2# = 0.
जब x = 4, f (x) = # 2x -2 # = #2(4)-2# = 6.
जब x = 7, f (x) = # 2x -2 # = #2(7)-2# = 12.
इसल ए ज म न ह स ल क य गय ह, वह स म ह #{-4,0,6,12}#
