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Are the points A ( 3,6,9) ,B( 10 ,20, 30...

Are the points A ( 3,6,9) ,B( 10 ,20, 30 , ) and C( 25,- 41, 5) the vertices of a right angled triangle?

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OSWAAL PUBLICATION-SOLVED PAPER 2020-2-EXERCISE
  1. Find the equation of a line perpendicular to the line x-2y +3=0 and ...

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  2. Find the distance between the parallel lines 3x - 4y + 7 = 0 and 3x -...

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  3. Are the points A ( 3,6,9) ,B( 10 ,20, 30 , ) and C( 25,- 41, 5) the ve...

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  4. Evaluate underset(x rarr 2)lim [(x^2-4)/(x^3-4x^2+4x)]

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  5. Write the contrapositive and converse of the statement. If two lines a...

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  6. Write the mean of the given data : 6,7,10,12,13,4,8,12 ?

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  7. Given P(A)=0.5,P(B)=0.35 and P(A uu B)=0.7 Find P(A nn B)

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  8. In a class of 35 students, 24 like to play cricket and 16 to play foot...

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  9. Determine the domain and range of the relation R defined by R={(x,x+...

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  10. cos 4x=cos 2x

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  11. Express sqrt3+i in polar form ?

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  12. sqrt(2)x^(2) +x + sqrt(2)=0

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  13. How many words, with or without meaning can be made from the letters o...

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  14. How many words, with or without meaning can be made from the letters o...

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  15. How many words, with or without meaning can be made from the letters o...

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  16. Find the term independent of x in the expansion of((3x^2)/2-1/(3x))^6.

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  17. If the sum of three numbers in A.P is24 and their product is 440,find ...

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  18. Which term of the sequence 1/3,1/9,1/27,……..is I/19683?

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  19. Find the co-ordinate of the focus ,equation of the directrix and lengt...

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  20. Find the derivative of sin x with respect to x from 1st principal ?

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