Question

If y= root x +1/ root x evaluate 2x

Answer 1

Answer:

since y=root x+1/root 1

Step-by-step explanation:

ans↓↓\

square both sides

∴y²=x+1/x

x y²-1=x

substitute in 2x

2(x y²-1)

⇒2xy²-2

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