The initial condition for a one-dimensional transient conduction problem is the specification of:_______.
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Answer:
.
Step-by-step explanation:
Apply the property of absolute values: if , then
. By this property,
is equivalent to
. That's the same as saying that
and
.
Add to both sides of both inequalities:
and
.
Divide both sides of both inequalities by . Note that because
, dividing both sides of an equality by this number will flip the direction of the inequality sign.
would become
.
would become
.
Both inequalities are supposed to be true. Combining the two inequalities to obtain:
.