evaluate

8 Answers

106
Asish Mahapatra ·

is the answer 6 ?

1
rahul nair ·

I too think its 6.
f(x)=\pi sinpi(x)/6

1
Che ·

i dunno teh ans....giv ur soln

actually i hav one method with generating functions

i want some oder

1
rahul nair ·

Frm the data given,
u get,f(0)=0 f(1)=pi/2 ,f(2)=√3pi/2 f(3)=pi
f(4)=√3pi/2, f(5)=pi/2, f(6)=0.f(7)=-pi/2
Period of fn is 12.
On observing the pattern, the fn is of the form asinkx

1
Che ·

array i want a subjectiv method

not hit and trial

23
qwerty ·

rahul , period of function is 12

1
rahul nair ·

ok...qwerty..edited...

1
Che ·

actually this is quiet similar to this http://targetiit.com/iit-jee-forum/posts/a-few-ques-from-algebra-12922.html

i guess no oder subjectiv way is der oder than generating functions ?

ok leave it

thanks rahul anyways[1]

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