Answer:
squareroot (-1) = i
Step-by-step explanation:
we cannot find square root (-1) manually
square root (-1) is imaginary
Every square root (positive number) has to values , one is positive and Tehran one is negative
square root (negative number ) is imaginary
square root (-1) is 'i'
i = square root (-1)
i^2 = -1
the value of i^3 = -i
the value of i^4 = 1
28.5
88.5
(90+82+81+2x)/5=86
90+82+81+2x=430
2x=177
x=88.5
Answer: 24
m - 15 + 15 = 9 + 15
m = 24
745.88
b