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Maths TNSB Mentoring
Class 10
Algebra
Nature of roots and relation between roots and coefficients of quadratic equation
2.
Make the given expression in terms of α + β and αβ
Question:
1
m.
Write the following expression in terms of \(\alpha + \beta\) and \(\alpha \beta\).
β
7
α
+
α
7
β
\(=\)
α
+
β
2
−
2
α
β
7
α
β
α
+
β
2
+
2
α
β
7
α
β
α
+
β
2
−
2
α
β
α
β
α
+
β
2
+
2
α
β
49
α
β
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