1.

Find (lt_{x rightarrow 1012345}( frac{[sinh(x)]^2-[cosh(x)]^2}{[sinh(x)]^2+[cosh(x)]^2}) )

A. <sup>1</sup> <sub>cosh(1012345)</sub>
B. 90987
C. 1012345
D.
Answer» B. 90987


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