1️⃣ x² + 2x –1= 0
2️⃣ x² – x – 2 = 0
3️⃣ x² – 2x + 1= 0
4️⃣ x² + x + 2 = 0
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Answer:
Given: quadratic equation x
2
−2x+1=0
To find the value of x+
x
1
x
2
−2x+1=0
⇒x
2
+1=2x
⇒
x
x
2
+1
=2
⇒x+
x
1
=2
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