1.

Let f _(n) x+ f _(n) (y ) = (x ^(n)+y ^(n))/(x ^(n) y ^(n))AA x, y in R-{0}. where n in N and g (x) = max { f_(2) (x), f _(3) (x),(1)/(2)} AA x in R - {0} The number of value of sum _(k =1) ^(oo) f _(2k) (cosec theta ) + sum _(k =1)^(oo) f _(2k) (sec theta ), where theta ne (kpi)/(2), k in I is:

Answer»

1
2
`SQRT2`
`4`

ANSWER :B


Discussion

No Comment Found

Related InterviewSolutions