If \( z \) is a nonreal root of \( \sqrt[7]{-1} \) then \( z^{86}+z^{175}+z^{289} \) is equal to... VIDEO
If \( z \) is a nonreal root of \( \sqrt[7]{-1} \) then \( z^{86}+z^{175}+z^{289} \) is equal tohttps://bit.ly/YTAI_PWAP https://www.pw.live
Other Videos By PW Solutions 2022-10-27 If \( z^{2}-z+1=0 \) then \( z^{n}-z^{-n} \), where \( n \) is a multiple of 3 , is
(a) \( 2(-1)... 2022-10-27 If \( \alpha \) is a nonreal cube root of unity then \( \left|\alpha^{n}\right|, n \in Z \), is ... 2022-10-27 If \( (\sqrt{3}+i)^{n}=(\sqrt{3}-i)^{n}, n \in N \) then the least value of \( n \) is
(a) 3
(b)... 2022-10-27 If \( \left|z_{1}-1\right|1,\left|z_{2}-2\right|2,\left|z_{3}-3\right|3 \) then \( \left|z_{1}+z... 2022-10-27 If \( 2 z_{1}-3 z_{2}+z_{3}=0 \) then \( z_{1}, z_{2}, z_{3} \) are represented by
(a) three ver... 2022-10-27 If \( (\sqrt{3}-i)^{n}=2^{n}, n \in Z \), the set of integers, then \( n \) is a multiple of
(a)... 2022-10-27 If \( |z|=\max \{|z-1|,|z+1|\} \) then
(a) \( \left|z_{1}+\bar{z}\right|=\frac{1}{2} \)
(b) \( z... 2022-10-27 If \( \mathrm{i}=\sqrt{-1} \) then \( 4+5\left(-\frac{1}{2}+\mathrm{i} \frac{\sqrt{3}}{2}\right)... 2022-10-27 If \( x^{2}-x+1=0 \) then the value of \( \sum_{n=1}^{5}\left(x^{n}+\frac{1}{x^{n}}\right)^{2} \... 2022-10-27 If \( |z|=1 \) then \( \frac{1+z}{1+\bar{z}} \) is equal to
(a) \( z \)
(b) \( \bar{z} \)
(c) \(... 2022-10-27 If \( z \) is a nonreal root of \( \sqrt[7]{-1} \) then \( z^{86}+z^{175}+z^{289} \) is equal to... 2022-10-27 If \( z_{r}=\cos \frac{2 r \pi}{5}+i \sin \frac{2 r \pi}{5}, r=0,1,2,3,4, \ldots . \). then \( z... 2022-10-27 Let \( f: R \rightarrow R \) be a bijective function. Let \( g(x) \) be a continuous function su... 2022-10-27 If \( 3^{49}(x+i y)=\left(\frac{3}{2}+\frac{\sqrt{3}}{2} i\right)^{100} \) and \( x=k y \) then ... 2022-10-27 Let \( z \) be a complex number of constant modulus such that \( z^{2} \) is purely imaginary th... 2022-10-27 \( x^{3 m}+x^{3 n-1}+x^{3 r-2} \), where \( m, n, r, \in N \), is divisible by
(a) \( x^{2}-x+1 ... 2022-10-27 For \( a0 \), find the minimum value of the integral \( \int_{0}^{1 / a}\left(a^{3}+4 x-a^{5} x^... 2022-10-27 Suppose \( f(x) \) and \( g(x) \) are two continuous functions defined for \( 0 \leq x \leq 2 \)... 2022-10-27 The equation \( x^{3 / 4\left(\log _{2} x\right)^{2}+\log _{2} x-5 / 4}=\sqrt{2} \) has
(a) at l... 2022-10-27 If the maximum value of the expression \( y=\frac{x^{4}-x^{2}}{x^{6}+2 x^{3}-1} \) for \( x1 \),... 2022-10-27 Let a solution \( y=y(x) \) of the differential equation, \( d y+x y d x=x d x \) satisfy \( y(0...
0