i বিষয়ক
−3×−1\sqrt{-3}\times\sqrt{-1}−3×−1 এর মান কত?
3i\sqrt{3i}3i
±3\pm\sqrt{3}±3
−3-\sqrt{3}−3
3\sqrt{3}3
−3×−1=3⋅−1×−1=3⋅i×i=3i2=3⋅(−1)=−3 \begin{aligned} & \sqrt{-3} \times \sqrt{-1} \\ = & \sqrt{3} \cdot \sqrt{-1} \times \sqrt{-1} \\ = & \sqrt{3} \cdot i \times i \\ = & \sqrt{3} i{ }^{2} \\ = & \sqrt{3} \cdot(-1) \\ = & -\sqrt{3}\end{aligned} =====−3×−13⋅−1×−13⋅i×i3i23⋅(−1)−3
The imaginary number iii is defined such that i2=−1i^2=-1i2=−1. What is the value of (1−i5)(1+i5)(1 - i \sqrt {5}) ( 1 + i\sqrt {5})(1−i5)(1+i5)?
(1+i)8+(1−i)8=(1 + i)^8 + (1 -i)^8 =(1+i)8+(1−i)8=
A+iB=2−i35−i4 A+i B=\frac{2-i 3}{5-i 4} A+iB=5−i42−i3 হলে, B \mathrm{B} B এর মান কোনটি?
i+−i=? \sqrt{i}+\sqrt{-i}=? i+−i=?
