If alpha and beta are zero of polynomial px=x square +2x+3thenvalue of 1by alpha plus 1/beta is
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Answer:
alpha is a and beta is b.
In this polynomial,
sum of roots = -ve coeff. of x = a + b
= > a + b = - 2
Product of roots = costant term = ab
= > ab = 3
To find:
= > 1/a + 1/b
= > (a+b)/ab
= > (-2)/3
= > - 2/3
Required value is -2/3
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