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Popular >

simplify (i-1)^2

Solution

simplify

(i - 1)^{2}

Solution

- 2 i

Solution steps

(i - 1)^{2}

Apply Perfect Square Formula:

(a - b)^{2} = a^{2} - 2 ab + b^{2}

(i - 1)^{2} = i^{2} - 2 i 1 + 1^{2}

= i^{2} - 2 i 1 + 1^{2}

Simplify

i^{2} - 2 i 1 + 1^{2} : - 2 i

= - 2 i

Popular Examples

∣ b ∣ = 2

5 x - 5 = 2 x + 4

factor 2a+ac^2-a^2c-2c factor

2 a + a c^{2} - a^{2} c - 2 c

x=sqrt((15.7-10.7)^2+(8.13-6.17)^2)

x = (15.7 - 10.7)^{2} + (8.13 - 6.17)^{2}

simplify 1/3*8 simplify

\frac{1}{3} \cdot 8

Frequently Asked Questions (FAQ)

What is (i-1)^2 ?
The solution to (i-1)^2 is -2i