If `f(x)=3^x+4^x+5^x-6^x, then f(x)ltf(3)` for (A) only one value of x (B) no value of x (C) only two value of x (D) infinitely many value of x

If the equation (lamda-1)x^2+(lamda+1)x+lamda-1=0 has real roots then lamda= (sintheta)/(costheta).(cos3theta)/(sin3theta) for (A) only one value of theta (B) for infinitely many values of theta (C) for no value of theta (D) of only two values of theta

f(x)=sqrt((1)/(3-x-|x-3|)) is defined for (A) all real values of x (B) no real value of x (C) xgt3 (D) xlt3

If f(x)=(sin(3x))/(sin x),x!=n pi, then the range of values of f(x) for real values of x is

If f(x)=x^(3)+2x , then find the value of f(3) .

Let f(x)=[x]^(2)+[x+1]-3, where [.] denotes the greatest integer function.Then ( 1)f(x)!=0 for all real values of x(2)f(x)=0 for only two real value of x(3)f(x)=0 for infinite values of x(4)f(x)=0 for no real value of x

If f(x)=3x+|x| , then the value of f(3x)+f(-x)-f(x) is:

If f(x)=x^(2) then the value of f+3 is

If f(x) = (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) , then the value of f' (5) is equal to

Let f(x) = cos^(2) x + cos x +3 then greatest value of f(x) + least value of f(x) is equal to

If f(x)=x^3+2x then find the value of f(4)