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Find the multiplicative inverse of (2+sq...

Find the multiplicative inverse of `(2+sqrt 3i)^2`.

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OSWAAL PUBLICATION-SAMPLE PAPER 8-EXERCISE
  1. The angles is a triangle are in the ratio 1:3:5. Find the magnitude of...

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  2. Find the derivative of 99x at x = l00.

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  3. Find the multiplicative inverse of (2+sqrt 3i)^2.

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  4. Find k if the following lines are perpendicular (k+2)x+(2k+1)y=7 " a...

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  5. Consider the experiment in which a coin is tossed repeatedly until a h...

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  7. Draw appropriate Venn diagram for each of the following : (A ∪ B)′

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  8. Draw appropriate Venn diagram for each of the following : (A ∩ B)′

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  9. A coin is tossed twice.What is the probability that atleast one tail o...

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  10. Write the following relations as the sets of ordered pairs:(i)A relati...

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  11. Write the following relations as the sets of ordered pairs:(ii)A realt...

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  12. Write the contrapositive and converse of the following statements. Y...

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  13. Find the general solution of 2 cos^2 x+3sin x=0

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  14. Coefficient of variation of distribution are 70 and the standard devia...

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  15. Represent the complex number (2+6sqrt3i)/(5+sqrt3i)in polar form.

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  16. Evaluate :underset(x rarr 2)lim(x^3-3x^2+4)/(x^4-8x^2+16).

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  18. Find the co-ordinate of a point equidistant from the four points O(0,0...

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  19. If a in N such that aN={ax:x in N}].Describe the set 3N nn 7N.

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  20. Prove that the points (2, -5) & (-2, 4) lie on the same side of the li...

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