CBSE Guess > Papers > Important Questions > Class XI > 2010 > Maths > Maths By Mr. Anil Kumar Tondak CBSE CLASS XI Complex Nos. & Quadratic Equations Q.1. Show that: Q.2. Prove that: Q.3. Simplify: Q.4. Express each one of the following in the standard form a + ib. Q.5. Express Q.6. Represent Q.7. Express the following expression in the form of (a + ib): Q.8. Prove that the following complex numbers are purely real: Q.9. Reduce to the standard form. Q.10. Express the following complex numbers in the standard form. Also, find their conjugate: Q.11. Find the conjugates of the following complex numbers: Q.12. Write the following complex numbers in the polar form: Q.13. Find the modulus and principal argument of – 2 i. Q.14. Find the modulus of . Q.15. Find the modulus and argument of the following complex numbers and hence express each of them in the polar form: Q.16. Find conjugate and modulus of Q.17. Find the conjugate of Q.18. Find the conjugate of (3 - 2t) (2 + 3t) / (1 + 2t ) (2 - t) Q.19. Show that if Paper By Mr. Anil Kumar Tondak |
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