find the value of 1/alfa+1/ß-2alfaß if alfa and ß are the zeros of p(x)=2x^2+11x+5
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sum of zeros=-11/2
product of zeros =5/2
to find:
1/alpha+1/beta-2alphabeta
alpha+beta-2(alphabeta)2/alpha beta
-11/2-2(5/2)2/5/2
-11/2-(10/2)2/5/2
-11/2-100/4/5/2
-11/2-50/2/5/2
-61/2/5/2
-61/5
product of zeros =5/2
to find:
1/alpha+1/beta-2alphabeta
alpha+beta-2(alphabeta)2/alpha beta
-11/2-2(5/2)2/5/2
-11/2-(10/2)2/5/2
-11/2-100/4/5/2
-11/2-50/2/5/2
-61/2/5/2
-61/5
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