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Q.

The zero of the polynomial p y =2y+1   is,


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a

1 2  

b

2

c

1

d

− 1 2    

answer is D.

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Detailed Solution

It is given p y =2y+1  .
If x−a   be a factor of a quadratic equation f x ,   then f  a =0.  
Let us consider that  p y =2y+1.   Substituting p y =0,   we get,
Question Image Hence, − 1 2   is the zero of the given polynomials.
Therefore, option 4 is correct.
 
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