chalte chatle questions

chatle chalte ye sawaal bhj dekhe:

q1)the graph of y=f(x) is symmetrical abt the lines x=1 and x=2,then

a)f(x+1)=f(x)
b)f(x+2)=f(x)
c)f(x+3)=f(x)
d)none

q2)lim x->oo ( (x+5)tan-1(x+5) + (x+1)tan-1(x+1)

a)Ï€/2
b)Î
c)2Î
d)none

38 Answers

1
Optimus Prime ·

ya from the graph its so easy , i think it will be b

11
Subash ·

f(1+x)=f(1-x)

also

f(2+x)=f(2-x)

f(1+(1+x))=f(1-(1+x))

=f(-x)=f(2+x)

f(2-x)=f(-x)

replacing x by -x

f(x+2)=f(x)

11
Subash ·

that was the non graphical approach :)

1
Grandmaster ·

arrey mera graph par coomment karo na!!![7][7]

1
Kalyan Pilla ·

Is the third Answer (nπ+π/4,nπ+π/2)

I ll post the solution if the answer is correct

62
Lokesh Verma ·

hmm.. i grandmaster .. that is why i drew the graph that i did :P ;)

1
Grandmaster ·

Nishant. bhaiya,kuch samaj nahi aaya[11][11]

13
deepanshu001 agarwal ·

grandmaster wat is finally the ans...for 1

Your Answer

Close [X]