Mark (√) against the correct answer in the following:
The least value of 
is
f(x) = ex + e-x
f(x) is always increasing at x = 0it has the least value
∴ The least value is 2.
1
Mark (√) against the correct answer in the following:
The least value of is
f(x) = ex + e-x
f(x) is always increasing at x = 0it has the least value
∴ The least value is 2.