I'm working on my algebra homework and this app is perfect for checking my work when my teacher can't. It helped me a lot for checking the results of different kinds of problems, ik that has nothing to do with math but it's still a nice thing to see.
This is a must have for highschool I want to thank whomever created this app for helping me in math more than my teacher, if you're not good at math, it's worth the $10 for premium instead of paying for a tutor to get the step by step process, i think this app was a great tool to use when you need help in math.
I 100 x 100 recommend this, it works for online work and paperwork, to be honest I avoided getting this app when my friends told me about it bc I didn't believe it would work but wow this saved me from failing my college algebra class during the pandemic when teachers aren't really around to help answer questions, I'm glad I finally downloaded it, thanks to whoever made this :).
Conclusion. The inverse of A is A-1 only when AA-1 = A-1A = I. To find the inverse of a 2x2 matrix: swap the positions of a and d, put negatives in front of b and c, and divide everything by the
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Decide mathematic question
To solve a math equation, you need to decide what operation to perform on each side of the equation.
Decide math question
The answer to the equation is 4.
To calculate inverse matrix you need to do the following steps. Set the matrix (must be square) and append the identity matrix of the same dimension to it. Reduce the left matrix to row