Testing your intelligence-II


8 Answers

24
eureka123 ·

no one !!!!!!!!!

1
Arman ·

f differentiable at 1 : so a+b=b+2b ... so a=2b
also LHD=RHD at 1... so 2a=b
from the above 2, a=b=0
g is continuous at 3, 3-c=9+b+1... so b+c+7=0

a+b+c=7
x^2+7xα+49(K+kα)=0

now what is "K"

where did u get this questin. i think u write it from the book directly so cannot think of typing mistake!

1
Arman ·

2) continuity of f at x=3
we know dat a=b=0 and c=-7

so f is not cont and dif at x=3

g is continuous at 3.. but not differentiable

24
eureka123 ·

u r completely wrong

24
eureka123 ·

helpppppppppppppppppppppppppppppppppp

62
Lokesh Verma ·

Ur question seems wrong dear..

where is k???

u have asked to prove te range of k!!!

24
eureka123 ·

thats what i am searching for months..................i thought there may be some trick in it...................are u sure it is incomplete?????

Anyways help in other parts.........

62
Lokesh Verma ·

continuity is by equalting left and right hand limits..

differnetiability is by equatin left and right hand derivative..

This is stuff is not that difficult dear..

continuity of f at 1
a+b=b+2b ... so a=2b

differntiability of f at 1
2a=b

so a=b=0! (even i am getting this for part 2!

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