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1- let a and b be positive integer show that root 2 always lies between a upon b and a+2b upon a+b 2- factorize it 1- x2-x-1 2- x2+60x+36 plz factorize it as soon as possible u have to direct factorise it not find the roots


1-  let a and b be positive integer show that root 2 always  lies   between a upon b  and a+2b upon a+b


2- factorize it 


1-     x2-x-1


2-     x2+60x+36


plz factorize it as soon       as possible


u have to direct factorise it not find the roots 


Grade:12

1 Answers

Aman Bansal
592 Points
10 years ago

Dear KEshav,

in order to factorise x2-x-1;

Find the solutions uing formula,

x= -b +(-)sqrt(b^2-4ac)/2a;

Thus the factors are :

(x-x1)(x-x2)

Best Of luck

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