Question

15. What is the square root of 25? 5x5 =25. Therefore square root of 25 is 5.-5 -5 is
also the square root of 25. That is, every perfect square other than zero has two square
roots, one is a positive number and the other is the negative of this number. Using the
symbol ✓ we represent the positive square root.
For example 25 = 5 and - 25 = -5.
a) What is i?
b) What is 100?
c) What is 100 x 100 ?
d) What is - 100?
e) Find 1x -V?
f) What is -100 x 100?​

Answer 1

Answer:

c)10000

f) - 10000

I can't understand remaining