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Question
If `|(2x, 5),(8, x)| = |(6, 5),(8, 3)|`, then find x
Sum
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Solution
We have `|(2x, 5),(8, x)| = |(6, 5),(8, 3)|`.
This gives 2x2 – 40 = 18 – 40
⇒ x2 = 9
⇒ x = ±3.
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