What is the modulus of the complex number ?
Answer and explanation
Correct answer: C. 25
- Step 1: . Answer: 25. Why not the others: 31: adds the parts. 625: forgets the square root. 17: subtracts the parts.
Practise more Calculus, algebra and coordinate geometry.
Free questions with an explanation for every one, and full timed IOE Engineering Entrance Examination (Tribhuvan University, Nepal) mock tests.