Up:
1.48(a)
Previous:
1.48(a), §1 Asked
1.48(a), §2 Solution
Write
as a linear combination
, i.e., find
a
and
b
so that
Eliminate
a
from equation (2) by substracting 2 times (1):
Solve from the bottom up, (2') giving that
b
=-1 and then (1) giving that
a
=5.
Up:
1.48(a)
Previous:
1.48(a), §1 Asked