Question

20) If A and B are the Zeros of the
polynomial x2 - 4x + 12 then the value
of (1/A) + (1/B) is​

Answer 1

Answer:

x²- 4x + 12

A and B are the zeroes of polynomial

Sum of zeroes=-b/a=4

A+B=4

Product of zeroes=c/a=12

AB=12

1/A+1/B

=A+B/AB

=4/12

=1/3