[" Let "f(x)=1+2x^(2)+2^(2)x^(4)+.....+2^(10)x^(20)*" Then "f(x)" has "],[" more then one minimum "],[" exactly one minimum "],[" at least one maximum "],[" none of these "]

let f(x)=1+2x^(2)+2^(2)x^(4)+....+2^(10)x^(20) The ,f(x) has

Let f(x)=1+2x^2+2^2x^4+.....+2^(10)x^(20). The , f(x) has

Let f(x)= 3/(x-2)+4/(x-3)+5/(x-4) . Then f(x)=0 has (A) exactly one real root in (2,3) (B) exactly one real root in (3,4) (C) at least one real root in (2,3) (D) none of these

Let f(x)= 3/(x-2)+4/(x-3)+5/(x-4) . Then f(x)=0 has (A) exactly one real root in (2,3) (B) exactly one real root in (3,4) (C) at least one real root in (2,3) (D) none of these

let f(x)=(x^(2)-1)^(n)(x^(2)+x-1) then f(x) has local minimum at x=1 when

Let f(x)= 2x^(3)-3(2+P)x^(2)+12Px+ln(16-P^(2)) .If f(x) has exactly one local minimum,one local maximum.Then the number of integral values of P is

Let f(x)=x^(3)+3x^(2)-9x+2. Then,f(x) has a maximum at x=1 (b) a minimum at x=1( c) neither a maximum nor a minimum at x=-3(d) none of these

Let f(x)=2sin^(3)x+lamdasin^(2)x,-(pi)/2ltxlt(pi)/2 . If f(x) has exactly one minimum and one maximum, then lamda cannot be equal to

Let f(x)=2sin^(3)x+lamdasin^(2)x,-(pi)/2ltxlt(pi)/2 . If f(x) has exactly one minimum and one maximum, then lamda cannot be equal to

Let f(x)=x^3+3x^2-9x+2 . Then, f(x) has a maximum at x=1 (b) a minimum at x=1 (c) neither a maximum nor a minimum at x=-3 (d) none of these