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Solution


Q.

One root of the equation 5x2+13x+m=0 is reciprocal of the other if m equals
1 0  
2 5  
3 16  
4 6  

Ans.

(2)

As roots are reciprocal of each other

⇒  Product of roots=1  ∴  m5=1  ⇒  m=5