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Solve the equation x^2+x/sqrt 2+1=0 as p...

Solve the equation `x^2+x/sqrt 2+1=0` as per solution.

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OSWAAL PUBLICATION-SOLVED PAPER 2019-2-EXERCISE
  1. Find the general solution of 2 cos^2 x+3sin x=0

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  2. Express (-1+i)/(sqrt(2)) in the polar form.

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  3. Solve the equation x^2+x/sqrt 2+1=0 as per solution.

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  4. How many words with or without meaning can be made from the letters of...

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  5. How many words with or without meaning can be made from the letters of...

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  6. How many words with or without meaning can be made from the letters of...

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  7. Find the term independent of x in the expansion of (3/2x^(2)-1/(3x)).

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  8. The sum of first three terms of a G.P. is 13/12 and their product is –...

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  9. Insert 3 arithmetic means between 8 & 24 .

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  10. Find the equation of parabola with vertex at the origin ,axis along x...

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  11. Find the derivative of the function cos x,w.r.t.x from first principle...

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  12. Verify by the method of contradiction that sqrt(2) is irrational .

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  13. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  14. One card is drawn from a well shufflied deck of 52 cards.If each out c...

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  15. One card is drawn from a well shuffled deck of 52 cards.If each outcom...

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  16. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  17. A fair coin 1 marked on one face & 6 on the other face & a fair die ar...

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  18. Define a signum function. Write range, also draw the graph of the func...

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  19. (cos 4x+cos3x+cos2x)/(sin 4x+sin3x+sin2x)=cot3x

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  20. For all n ge 1 prove that 1^(2)+2^(2)+ 3^(2)+4^(2)+….+n^(2)= (n(n+1)...

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