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Let the reciprocals of the roots of x^2 - 2x + 5 = 0 be a and b. Evaluate a*b.

 May 2, 2022
 #1
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Let the roots be m, n

 

The product of the roots =   5

 

Therefore     m * n =  5

 

But

 

1/m * 1/n  =  1/5

 

So

 

a*b  = 1/5

 

cool cool cool

 May 2, 2022

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