If α and β are the zeroes of the polynomial P (x) = x2 + 3x +

1.	If α and β are the zeroes of the polynomial P (x) = x2 + 3x + k such that α - β = 5 then the value of k is1) – 4 2) 5 3) – 3 4) 2
Answer» 1) – 4 P (x) = x² + 3x + K α + β = -3 α - β = 5 ⇒ a -1, β = - 4 ⇒ α β = K ⇒ K = - 4

If α and β are the zeroes of the polynomial P (x) = x2 + 3x + k such that α - β = 5 then the value of k is1) – 4 2) 5 3) – 3 4) 2

Answer»

1) – 4

P (x) = x² + 3x + K

α + β = -3

α - β = 5 ⇒ a -1, β = - 4

⇒ α β = K ⇒ K = - 4

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If α and β are the zeroes of the polynomial P (x) = x2 + 3x + k such that α - β = 5 then the value of k is1) – 4 2) 5 3) – 3 4) 2

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