If `(lim)_(x->oo)(7^(k x)+8)/(7^(5x)+6)` does not exist then`' k '` can be

lim_(x rarr oo)(1+(K)/(x))^(x)=

(lim)_(x rarr oo)(sin x)/(x) equals a.1b*0c.oo d . does not exist

Which of the following statement(s) is (are) INCORRECT ?. (A) If lim_(x->c) f(x) and lim_(x->c) g(x) both does not exist then lim_(x->c) f(g(x)) also does not exist.(B) If lim_(x->c) f(x) and lim_(x->c) g(x) both does not exist then lim_(x->c) f'(g(x)) also does not exist.(C) If lim_(x->c) f(x) exists and lim_(x->c) g(x) does not exist then lim_(x->c) g(f(x)) does not exist. (D) If lim_(x->c) f(x) and lim_(x->c) g(x) both exist then lim_(x->c) f(g(x)) and lim_(x->c) g(f(x)) also exist.

If lim_(x rarr oo)(x^(2)+3x+5)/(4x+1+x^(k)) exists then k=2(b)k 2(d)k>=2

lim_(x rarr oo)(4^(x+1)+5^(x))/(7^(x)+8^(x))=

lim_(x to oo) (1+k/x)^(mx) is equal to

lim_(x rarr oo)(9x^(2)-2x-7)/(6x^(2)+5x+1

lim_(x rarr oo)(x^(4)+7x^(3)+46x+a)/(x^(2)+6) where a is a

lim_(xrarroo)((2x-3)(4x-5))/((5x-6)(6x-7)) is equal to

2.Evaluate lim_(x->a)(x^(7)-a^(7))/(x^(5)-a^(5))