Question

write the value of i + i10 + i20 + i30 please answer fast it's urgent please​

Answer 1

Answer:

i found the answer

Step-by-step explanation:

So, we can write it in the form of i(4×7+2). Hence we get the values of i10=−1,i20=1,i30=−1. We know that 0 is a real number. Therefore, it is proved that 1+i10+i20+i30 is a real number.