SOLUTION: Dear Math tutor, A=[2 2] ...[2 -2] *the four numbers are meant to be in one big bracket. A^2? what, I've never seen or dealt with powers in matrices! could the answer

Algebra.Com
Question 784640: Dear Math tutor,
A=[2 2]
...[2 -2]
*the four numbers are meant to be in one big bracket.
A^2?
what, I've never seen or dealt with powers in matrices!
could the answer be [4 4]
.................................[4 4] cant be, it seems too easy!
thank you,
best wishes
nats



Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


If you have a 2X2 matrix:





Where









So if



Then



John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism


RELATED QUESTIONS

Dear teaches, my math teacher gave me the following sequence: 1234321, 26121262,... (answered by greenestamps)
Dear Tutor, I have a big proplem. I moved to Austia 2 years ago and i did not know... (answered by nerdybill,ankor@dixie-net.com)
An open box with base 14 cm by 18 cm and height 9 cm (external dimensions) is... (answered by ikleyn)
Dear tutor,I 've checked one of the problems which was like my question but I couldn't... (answered by RAY100)
Tutor can you assist me with this math? Simplify, write the answer in the form a+bi... (answered by ankor@dixie-net.com)
I need help with this problem. I am not sure what the symbol is or means. I have never... (answered by josgarithmetic)
Dear Math Tutor, Please help me with: A quadrilateral ABCD is formed by points... (answered by mananth)
Dear tutor, I have a problem with this equation involving (ln) ln(lnx)=2 what does (answered by ankor@dixie-net.com)
Dear Math Tutor, Please help me with: Write x^2 + 10x + 38 in the form (x+b)^2+c where (answered by ewatrrr)