(sqrt(a + x) + sqrt(a - x))/(sqrt(a + x) - sqrt(a - x)) = k: find x
The same question, asked 2 times: 18 Sep 2025 S3*, 20 Sep 2025 S1. Every wording below, oldest first.
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Question 1
18 Sep 2025 S3
69Given, , then what is the value of x?Tap an option to check your answer.
Question 2
20 Sep 2025 S1
51Find the value of x in given equation:Tap an option to check your answer.