Calculus Examples

Simplify (e^t-e^(-t))^2
(et-e-t)2
Step 1
Rewrite (et-e-t)2 as (et-e-t)(et-e-t).
(et-e-t)(et-e-t)
Step 2
Expand (et-e-t)(et-e-t) using the FOIL Method.
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Step 2.1
Apply the distributive property.
et(et-e-t)-e-t(et-e-t)
Step 2.2
Apply the distributive property.
etet+et(-e-t)-e-t(et-e-t)
Step 2.3
Apply the distributive property.
etet+et(-e-t)-e-tet-e-t(-e-t)
etet+et(-e-t)-e-tet-e-t(-e-t)
Step 3
Simplify and combine like terms.
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Step 3.1
Simplify each term.
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Step 3.1.1
Multiply et by et by adding the exponents.
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Step 3.1.1.1
Use the power rule aman=am+n to combine exponents.
et+t+et(-e-t)-e-tet-e-t(-e-t)
Step 3.1.1.2
Add t and t.
e2t+et(-e-t)-e-tet-e-t(-e-t)
e2t+et(-e-t)-e-tet-e-t(-e-t)
Step 3.1.2
Rewrite using the commutative property of multiplication.
e2t-ete-t-e-tet-e-t(-e-t)
Step 3.1.3
Multiply et by e-t by adding the exponents.
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Step 3.1.3.1
Move e-t.
e2t-(e-tet)-e-tet-e-t(-e-t)
Step 3.1.3.2
Use the power rule aman=am+n to combine exponents.
e2t-e-t+t-e-tet-e-t(-e-t)
Step 3.1.3.3
Add -t and t.
e2t-e0-e-tet-e-t(-e-t)
e2t-e0-e-tet-e-t(-e-t)
Step 3.1.4
Simplify -e0.
e2t-1-e-tet-e-t(-e-t)
Step 3.1.5
Multiply e-t by et by adding the exponents.
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Step 3.1.5.1
Move et.
e2t-1-(ete-t)-e-t(-e-t)
Step 3.1.5.2
Use the power rule aman=am+n to combine exponents.
e2t-1-et-t-e-t(-e-t)
Step 3.1.5.3
Subtract t from t.
e2t-1-e0-e-t(-e-t)
e2t-1-e0-e-t(-e-t)
Step 3.1.6
Simplify -e0.
e2t-1-1-e-t(-e-t)
Step 3.1.7
Rewrite using the commutative property of multiplication.
e2t-1-1-1-1e-te-t
Step 3.1.8
Multiply e-t by e-t by adding the exponents.
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Step 3.1.8.1
Move e-t.
e2t-1-1-1-1(e-te-t)
Step 3.1.8.2
Use the power rule aman=am+n to combine exponents.
e2t-1-1-1-1e-t-t
Step 3.1.8.3
Subtract t from -t.
e2t-1-1-1-1e-2t
e2t-1-1-1-1e-2t
Step 3.1.9
Multiply -1 by -1.
e2t-1-1+1e-2t
Step 3.1.10
Multiply e-2t by 1.
e2t-1-1+e-2t
e2t-1-1+e-2t
Step 3.2
Subtract 1 from -1.
e2t-2+e-2t
e2t-2+e-2t
(et-e-t)2
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