MCQ
1 + 0 i is, _________________ for complex number z.
- Aadditive inverse
- Badditive identity element
- Cmultiplicative identity element
- Dmultiplicative inverse
Solution:
On multiplying one ( 1 + 0 i ) to a complex number, we get same complex number so 1 + 0 i is multiplicative identity element for complex number z i.e. z × 1 = z.
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The line segment joining the points (1, 2) and (-2, 1) is divided by the line 3x + 4y = 7 in the ratio: