Q. 164.3( 4 Votes )

Mark the correct alternative in the following:

The range of the function is

A. R

B. R –{1}

C. R – {-1/2, 1}

D. None of these

Answer :

Let

y(x2+2x)= x2-x


yx(x+2)=x(x-1)


y(x+2)=x-1




Value of x can’t be zero or it cannot be not defined..


y≠1, -1/2


So, range= R-{-1/2, 1}

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