Question
If α,β roots of x² − 7x + 12 = 0, find α²+β².
Answer: α+β=7, αβ=12 ⇒ α²+β²=49−24=25.
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Question
Answer: α+β=7, αβ=12 ⇒ α²+β²=49−24=25.
Question
Answer: α+β=7, αβ=12 ⇒ α²+β²=49−24=25.