I have got the answer of the question which satisfies the condition given, but its not actually the answer, the question is:-
log(ax) - 2log(x+1) = 0 . What is the value of a for which the above equation has exactly 1 root?
The answer which I got is 4. It satisfies the quadratic as well as log. But the teacher cut the whole marks. I dont know the answer, since it was the test paper of my friend and he had got no marks for getting 4. The question is of 8 marks, so it shouldnt be that easy. Please help me.
I have got the answer of the question which satisfies the condition given, but its not actually the answer, the question is:-
log(ax) - 2log(x+1) = 0 . What is the value of a for which the above equation has exactly 1 root?
The answer which I got is 4. It satisfies the quadratic as well as log. But the teacher cut the whole marks. I dont know the answer, since it was the test paper of my friend and he had got no marks for getting 4. The question is of 8 marks, so it shouldnt be that easy. Please help me.