MCQ
If $(x-i y)(1-i)=1+5 i$ then:
  • A
    $x=-2, y=3$
  • B
    $x=2, y=-3$
  • $x=-2, y=-3$
  • D
    $x=2, y=3$

Answer

Correct option: C.
$x=-2, y=-3$
(C )

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

One card is drawn from a pack of 52 cards. The probability that it is the card of a king or spade is:
  1. $\frac{1}{26}$
  2. $\frac{3}{26}$
  3. $\frac{4}{13}$
  4. $\frac{3}{13}$
If ${ }^{18} C _{ r }={ }^{18} C _{ r +2}$, then the value of ${ }^{ r } C _5$ is :
If the roots of x− bx + c = 0 are two consecutive integers, then b2 − 4 c is:
  1. 0
  2. 1
  3. 2
  4. None of these.
If $\text{A}-\text{B}=\frac\pi4,$ then $(1+\tan\text{A})(1-\tan\text{B})$ is equal to:
  1. 2
  2. 1
  3. 0
  4. 3
The equation of the circle which touches the axes of coordinates and the line $\frac{\text{x}}{3}+\frac{\text{y}}{4}=1$ and whose centres lie in the first quadrant is x2 + y2 − 2cx − 2cy + c2 = 0, where c is equal to:
Total number of four digit odd numbers that can be formed using 0, 1, 2, 3, 5, 7 (using repetition allowed) are:
If two variates X and Y are connected by the relation $\text{Y}=\frac{\text{aX}+\text{b}}{\text{c}},$ where a, b, c are constants such that ac < 0, then
  1. $\sigma\text{Y}=\frac{\text{a}}{\text{c}}\sigma\text{X}$
  2. $\sigma\text{Y}=-\frac{\text{a}}{\text{c}}\sigma\text{X}$
  3. $\sigma\text{Y}=-\frac{\text{a}}{\text{c}}\sigma\text{X}+\text{b}$
  4. None of these
If − 3x + 17 < -13, then:
  1. $\text{x}\in(10,\infty)$
  2. $\text{x}\in[10,\infty)$
  3. $\text{x}\in(-\infty,10]$
  4. $\text{x}\in[-10,10)$
If Ram has x rupees and he pay 40 rupees to shopkeeper then find range of x if amount of money left with Ram is at least 10 rupees is given by inequation, ___?
Which one is the complete set of values of x satisfying log $\text{x}^2(\text{x+1})>0$