1.

if one root of 5 x square + 13 x + K is equal to zero is the reciprocal of the Other root then find value of k

Answer»

Ist ROOT ×second root= c/a
on comparing, a=5, b=13, c=K
let first root be X then its RECIPROCAL root will be 1/x
x×1/x= K/5
K=5


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