Question
Question: If (x + iy) (p + iq) = (x<sup>2</sup> + y<sup>2</sup>) i then –...
If (x + iy) (p + iq) = (x2 + y2) i then –
A
x = p, y = q
B
x2 = p, y2 = q
C
x = q, y = p
D
None of these
Answer
x = q, y = p
Explanation
Solution
Sol. (x + iy). (p + iq) = (x + iy)(x – iy)i
p + iq = (x – iy)i
p = y, q = x