MCQ
The square root of (- 15 – 8i) is:
- A$\pm(1-4\text{i})$
- B$\pm(1+4\text{i})$
- C$\pm(-2+4\text{i})$
- D$\text{None of these}$
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If equation of line is x + y = 2 then find the perpendicular distance of line from origin:
$\sin\Big(\frac{\pi}{12}\Big)$
$\cos\Big(\frac{\pi}{12}\Big)$
$\cot\Big(\frac{\pi}{12}\Big)$
Select the correct answer using the code given below:
The number of different four digit numbers that can be formed with the digits 2, 3, 4, 7 and using each digit only once is