Question

If the one root of the equation 4x2-2x+(r -4)=0 be the reciprocal of other then r = *


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Answer 1

Answer:

let a,1/a are roots of given eqn,

we know that,

product of roots is c/a ,

then,

a*1/a=(r-4)/4,

=>r-4=4,

=>r=8.