a. Show that the product of two n n lower triangular matrices is lowers triangular. b.
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b. Show that the product of two n × n upper triangular matrices is upper triangular.
c. Show that the inverse of a nonsingular n × n lower triangular matrix is lowers triangular.
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a If C AB where A and B are lower triangular then a ik 0 if k i and b kj 0 if k j Thus Whic...View the full answer
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