Question:
(2x – 1/x)²
Author: GN TutorialsAnswer:
Solution: (i) (2x – 1/x)² [Use identity: (a – b)² = a² + b² – 2ab ] = (2x – 1/x)² = (2x)² + (1/x)² – 2 (2x)(1/x) = 4x² + 1/x² – 4
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Author
GN Tutorials
Answer:
0 / 5 (0 ratings)
1 answer(s) in total