Extremum

JEE Mains Discussion Forum › Calculus questions › Extremum

Let f be a twice diff function for all real x such that f'(a)=f'(b)=0, f"(a)f"(b)<0, f"(a)>f"(b), f(a)>0, f(b)=0, a<b , also lim(xâ†’Â±âˆž)f(x)=0, Then Minimum no of points of:
a) extremum
b) inflection
c) where f(x)=0

#Mathematics #Calculus

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7 Answers

Abhishek Priyam ·2008-12-21 08:50:16

Lost threads!!!

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apoorv ·2008-12-29 04:02:14

m gettin...........
a)3
b)0
c)2
.........
correct me if i am wrong.......

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Abhishek Priyam ·2008-12-29 04:08:38

Atleast U tried..

waait it was lost so i ahve 2 rethink of the answer..

recheck it after some time ...

cheers

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skygirl ·2008-12-29 04:26:12

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skygirl ·2008-12-29 04:27:32

so i think... a) 4 b)3 c)2

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skygirl ·2008-12-29 04:38:59

sorry there was something wrong in my prev post..
forgot that infinity thing...

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Abhishek Priyam ·2008-12-29 04:44:53

Yes

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Basic Integral Calculus Operators Symbols Matrix Cases

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Extremum

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