Math, asked by yashbhai56, 8 months ago

give answers of 5i.

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Answered by aishutsh358

1

Answer:

x + 1/x = 4

(x+1/x)² = 4²

= x² + 2.x.1/x + (1/x)² = 16

= x² + 1/x² = 16-2

= x² + 1/x² = 14

We know that (x-1/x)² = x² + 1/x² -2

(x-1/x)² = 14-2

= x-1/x = ±√12

= x - 1/x = ±2√3

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