Write the following expression in terms of α + β and αβ (3α – 1) … - Vidyadip

Question

Write the following expression in terms of α + β and αβ
(3α – 1) (3β – 1)

✓

Answer

(3α – 1) (3β – 1) = 9αβ – 3α – 3β + 1
= 9αβ – 3(α + β) + 1

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