3. If the roots of 22 − 6 +K = 0 are real and equal find k.
4. Find the values of ∝ + β and ∝ β for the quadratic equation 2 + ?
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Answered by
1
Answer:
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Step-by-step explanation:
where are the quadratic equations
Answered by
0
Sum of the roots=α+β=
1
−3
=−3
Product of the roots=αβ=
1
6
=6
(i)
β
α
+
α
β
=
αβ
α
2
+β
2
=
αβ
(α+β)
2
−2αβ
=
6
(−3)
2
−2×6
=
6
9−12
=
6
−3
=
2
−1
(ii)α
+β
2
=(α+β)
2
−2αβ
=(−3)
2
−2×6
=9−12=−3
Q4 H ye
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