Most Important Selected Qs for JEE AdvancedMathematicsFunctions
If g : D R be a function such that g ( x )= ( n times) (4 (x^2+x+1 )+ ( x) ),( n N ) then the least value of n for which g becomes onto, is __________ .
Correct answer
3
Step-by-step solution
4 x^2+4 x+4+ ( x)=(2 x+1)^2+ ( x)+3 2 Now as 1 2 e , the required value of n is 3 .