It is confusing me.. please can U clear my concep regarding these types of questions..

Asked by nitishkrnehu09 | 23rd Nov, 2017, 09:39: AM

Expert Answer:

begin mathsize 16px style If space you space take space straight a subscript 1 equals straight a subscript 2 equals straight a subscript 3
then space
straight f left parenthesis straight x right parenthesis equals 3 open parentheses straight x minus straight a subscript 1 close parentheses open parentheses straight x minus straight a subscript 1 close parentheses
straight f left parenthesis straight x right parenthesis equals 3 open parentheses straight x minus straight a subscript 1 close parentheses squared rightwards double arrow straight f left parenthesis straight x right parenthesis greater or equal than 0
Hence comma space correct space option space is space straight B. end style

Answered by Sneha shidid | 29th Nov, 2017, 11:00: AM