doubt

CPT 875 views 4 replies

can anyone help me solve this question, please ?

 

thank you :)

 

Replies (4)

answer is b) 2+- root 5

the question needs little modification...

 

it will be infinity in place of 2 ....

 

so make an equation 

 

x= 4 + 1/x 

 

now make a quadratic equation and solve........

it will be infinity in place of 2

Solution,

Assum

                                                                            X=4+

                                                                          =4x+1

                                                                          4x+1=0

Now solve the equation and find x

 

  Assum

   X=4+

=4x+1

     4x+1=0

Now solve the equation and find x

 

 


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