Q10 of 153 Page 14

Write the least positive integral value of n for which is real.






= in


As we know that i2 = -1


And value of n is real number so,


n = 2


More from this chapter

All 153 →
8

Write -1 + i√3 in polar form.

 9

Write the argument of –i.

 11

Find the principal argument of

12

Find z, if |z| = 4 and