Add New Description

Fill up the form and submit

যদি

x^{2} - 2 x + 4 = 0

α, β

α^{n} + β^{n =}

কত ?

2^{n} \cos \frac{n π}{6}

2^{n - 1} \cos \frac{n π}{3}

2^{n} \cos \frac{n π}{3}

2^{n + 1} \cos \frac{n π}{3}

ANS : 4

Descrption

To add a description please, login first. click here to login

Cancel Login