Question

Plz answer this.........

Answer 1

Heya!!

Please refer to the attachment above for the solution!!

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Answer 2

Step-by-step explanation:

$x + 2\ \div \sqrt{ {x}^{2} } - 1 = dx \\ x + 2 \div \sqrt{x \times x} - 1 \\ x + 2 \div x - 1 = dx \\ x = 2 = dx \\ x = dx = 2 \\ d = 2$

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