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Inverse linear transformations?
Prove that if T:V→W is a one-to-one linear transformation, then T-inverse: range(T)→V is a linear transformation.
2 AnswersMathematics1 decade agoCauchy-Schwarz Inequality?
For all real values of a, b, and x, use the Cauchy-Schwarz inequality to prove that:
[a cos(x) + b cos(x)]^2 ≤ a^2 + b^2
2 AnswersMathematics1 decade agoMatrix Inversion or Row Reduction?
I've been working on this problem for several days now. My I-84 says the solution set is 1,1,-1,1, but I keep getting very ugly fractions.
The system is:
Ax=b
A =
[-1 2 7 6
3 0 1 3
2 4 1 1
0 -1 4 2]
b =
[0
5
6
-3]
1 AnswerMathematics1 decade ago