Question: ( i ) Show that the equation 2 c o s h 2 x - s i n h 2 x = 2 can b

(i) Show that the equation 2cosh2x-sinh2x=2 can be expressed as
e4x-4e2x+3=0.
(ii) Hence, solve the equation: 2cosh2x-sinh2x=2.
( i ) Show that the equation 2 c o s h 2 x - s i

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