Question

11. If y2 + 1/y2 = 6, find the value of y-1/y​

Answer 1

Answer:

2

Step-by-step explanation:

(y-1/y)²=y²+(1/y)²-2*y*1/y

(y-1/y)²=6-2

(y-1/y)²=4

y-1/y=√4

2

Answer 2

Answer:

236

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