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Find the conjugate of (2+3i)/(1+2i)....

Find the conjugate of `(2+3i)/(1+2i)`.

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OSWAAL PUBLICATION-SAMPLE PAPER 6-EXERCISE
  1. Evaluate: underset (x rarr 2)lim (x^2-5x+6)/(x^2-4).

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  2. How many two digit numbers are divisible by 3?

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  3. Find the conjugate of (2+3i)/(1+2i).

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  4. Find n if .^(n)C(9)=.^(n)C(5).

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  5. Prove that AB bot CD if A = (2, 1), B = (0, -1), C= (-1, 8), D = (4, 3...

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  6. If A={a,b,c}, B={m,n} find the number of relations from A to B.

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  7. Find the equation of the passing through (2, 3) and cutting off equal ...

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  8. If f(x) =x^(2) +1, g(x) = x^(2) - 5x+6, find f+g, f-g, f/g.

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  9. Show that sqrt ((1+sin A ) /( 1-sin A))= sec A + tan A

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  10. Let U={1,2,3,4,5,6,7,8,9},A={1,2,3,4},B={2,4,6,8} and C={3,4,5,6}: Fin...

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  11. Name the octants in which the following points lie:(i)(3,4,5)

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  12. Name the octants in which the following points lie:(ii)(5,2,-1)

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  13. Name the octants in which the following points lie:(iii)(-2,3,7)

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  14. Name the octants in which the following points lie:(iv)(-5,-7,-9)

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  15. The coefficient of variation for a distribution is 60 and standard dev...

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  16. Solve (3(x-2))/(5) le (5(2-x))/(3)

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  17. If X and Y are two sets such that X has 40 elements, X ∪ Y has 60 elem...

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  18. Evaluate :underset (x rarr 0)lim (3x-tan 4x)/(x+sin x).

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  19. Find the acute angle between :- 5x+6y-1=0, " "x-11y+8=0

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  20. Write the converse and contrapositive of the statement " If x ...

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