Q)

Asked by araima2001 | 24th Jun, 2017, 10:08: AM

Expert Answer:

begin mathsize 16px style As space straight x squared greater or equal than 0 space also space log space function space exist space for space positive space values space only.
Hence comma space square root of 1 plus straight x squared end root greater or equal than 0
left right double arrow straight x plus square root of 1 plus straight x squared end root greater or equal than straight x
left right double arrow ln open parentheses straight x plus square root of 1 plus straight x squared end root close parentheses greater or equal than straight x
left right double arrow xln open parentheses straight x plus square root of 1 plus straight x squared end root close parentheses greater or equal than straight x squared
left right double arrow 1 plus xln open parentheses straight x plus square root of 1 plus straight x squared end root close parentheses greater or equal than 1 plus straight x squared
rightwards double arrow 1 plus xln open parentheses straight x plus square root of 1 plus straight x squared end root close parentheses greater or equal than square root of 1 plus straight x squared end root

For space example comma space if space 10 greater or equal than 4 rightwards double arrow 10 greater or equal than 2
Hence comma space straight x greater or equal than 0 space

end style

Answered by Sneha shidid | 27th Jun, 2017, 12:00: PM