Step-by-step explanation:
the question is z²=1
taking square root on both sides
√z² = √1
the square root and the square cancel out each other
it gives
z=±1
that means either z=+1 or z=-1
so the solutions are 1 and -1
Answer:
2
There is a picture the website is Math-way I use it all the time to help out or just to check my answers.
Assuming that there was no error in you typing, the exponent is 1 and the coefficient is -2
Answer:
1 and 50 2 and 25 5 and 10
Step-by-step explanation:
check your multiples if you see how many multiples you have you will divide your multiples.