If a and B are zeros of 4x^2+ 2x + 7, find the value of that 1/a+1/B.
a.- 3/7
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4x² +3x +7=0,
'a' and 'b' are the roots of equation
a+b= -3/4 (sum of roots= -b/a)
a*b= 7/4 (product of roots=c/a)
1/a +1/b= a+b/a*b
Substitute the values
-3/4 by 7/4
⇒ -3/7
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