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Why can such a hyperbolic equation be set under the hyperbolic problem of mathematics in senior two (solution 1 introduction λ? Why? )
You can set it like this. This is a hyperbolic equation with the same focus, which ensures that C? =a? +b? However, we must pay attention to the λ value range of hyperbolic equations set in this way, as in this example:16-λ > 0,4+λ& gt; 0, that is, -4

If you like, you can also set it to: 16+λ and 4-λ, but the range of λ will become-16.

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