if a and b are the roots of x^2-4x+3=0,find the value of 1/a+1/b+2ab
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Step-by-step explanation:
a+b=4. ab=3
In the question:-
1/a+1b+2ab
=(a+b+2ab)/ab
=(4+2×3)/4
=(4+6)/4
=10/4
=2.5
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