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A

`{(x,y):x^(2)=4y}uu{(x,y):yle0}`

B

`{(x,y):x^(2)+(y-1)^(2)=4}uu{(x,y):yle0}`

C

`{(x,y):x^(2)=y}uu{(0,y):yle0}`

D

`{(x,y):x^(2)=4y}uu{(0,y):yle0}`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • In a certain collage, the ratio of mathematics majors to English majors is 3:8. If in the following school year the number of mathematics majors increase 20%, and the number of English majors decrease 15%, what is the new ratio of mathematics majors to English majors?

    A
    `4:9`
    B
    `1:2`
    C
    `9:17`
    D
    `17:32`

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    check whether it is statement or not .Do you like mathematics ?

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