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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Kanika goswami 1
check attachment.
Why global minimum is not exist?
think about oscillate function......here we have not given that function is monotonic.....so we can't say global minimum.....ok
In the book, the answer given is A,B,C
then there is mistake in book bcz if maximum at c then f(c) can't less any point of its nbd....