化简 i^{30}

解答

化简

i^{30}

- 1

求解步骤

i^{30}

使用指数法则:

a^{b c} = (a^{b})^{c}

i^{30} = (i^{2})^{15}

= (i^{2})^{15}

使用虚数运算法则:

i^{2} = - 1

= (- 1)^{15}

(- 1)^{15} = - 1

= - 1

f a c t or 4 h^{2} - 25 g^{2}

(x + 5) (x - 4) = (x + 5)

7 = 4 x - 5

9 x^{2} + 63 x + 90 \leq 0

s im pl i f y (\frac{1}{2})^{2} + (\frac{1}{2})^{2}