If one of the roots of the quadratic equations
(k² + 4) x² + 13x + 4 is reciprocal of the other than k
a) 2
b) 1
c) -1
d) -2
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Step-by-step explanation:
let P be the root of this equation,then other is 1/P.
product of roots=c/a
P×1/P=4/k^2+4
1=4/k^2+4
- k^2+4=4
- =k^2=0
- so,k=0 ans
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