`lim_(n rarr oo) ((4^(1/n)-1)/(3^(1/n)-1))` is equal to

lim_(n rarr oo)(5^((1)/(n))+3^(1/n)-1)^(n)

lim_(n rarr oo)((-1)^(n)n)/(n+1)

lim_(n rarr oo) (4^(n)+5^(n))^(1/n) =

lim_ (n rarr oo) (1) / ((n) ^ ((1) / (n))) is equal to

lim_(n rarr oo)(-3n+(-1)^(n))/(4n-(-1)^(n)) is equal to a.-(3)/(4)b.0 if n is even c.-(3)/(4) if n is odd d.none of these

If sum_(r=1)^(n)T_(r)=(n(n+1)(n+2)(n+3))/(12) then 4(lim_(x rarr oo)sum_(x-1)^(n)(1)/(T_(r))) is equal to

lim_(n rarr oo)(2^(n)+3^(n))^(1/n)

lim_(n rarr oo)(3^(n)+5^(n)+7^(n))^(1/n) is equal to

lim_ (n rarr oo) (2 ^ (n) -1) / (2 ^ (n) +1)