1.

sin h^(-1) (2 alpha) = 2 cos h^(-1) (beta) then

Answer»

`ALPHA^(2) + beta^(2) = alpha^(4)`
`alpha^(2) + beta^(2) + 4`
`alpha^(2) + beta = beta^(4)`
`alpha^(2) = beta^(2)`

ANSWER :C


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