It x+in=a+ib÷a-ib then prove that x2+y2=1
If a set of 4 numbers the first 3 are in GP and the last 3 are in AP with the common difference of 6 if the first and 4th term are equal find the 4 numbers
If a set of 4 numbers the first 3 are in GP and the last 3 are in AP with the common difference of 6 if the first and 4th term are equal find the 4 numbers