solve the given question
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Answer:
- 16
- 256
Explanation:
1.(x² + 1/x²)
= (x² + 1²/x²)
= ( x + 1 / x)²
= (4)²
= 16
2. (x⁴ + 1/x⁴)
= (x⁴ + 1⁴/x⁴)
= (x + 1/x )⁴
= (4)⁴
= 256
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