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1st PU Maths Nov 2014.pdf

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  • 8/20/2019 1st PU Maths Nov 2014.pdf

    1/2

    DISTRICT

    LEVEL

    MID.TERM

    EXAMINATION

    .2014

    I

    P.U.C.

    Time

    : 3%

    Hours

    MATHEMATTCS

    (3s)

    NT 6N

    Max.

    Marks

    : 100

    r.

    Answer

    aII

    the

    questions.

    PAtr(I-A

    1.

    IfA:

    {1,2,3,4,5},

    B:

    {2,4}

    thenfindA_B.

    2.

    If

    n(A)

    :

    P

    and

    n(B)

    :

    q

    then

    find

    the

    total

    number

    of

    relations,

    3.

    Convert

    4800

    into

    radians.

    4.

    Find

    the

    value

    of

    tan

    (

    lf

    )

    5.

    Find

    the

    modulus

    oflji

    Find the

    distance

    u"r,^}"i,

    the

    rines

    3x

    -

    4y*

    7

    :0

    and

    3x

    -

    4y

    *

    5:0

    SolveTx+3Y

    T

    t*

    reatx.

    20.

    How

    many

    chords

    can

    be

    drawn

    through

    2r points

    on

    a

    circre?

    2l'

    Find

    the

    sum

    of all

    natural

    numbers

    lying

    betrvero

    roo

    *Jioro,

    *t

    i"h

    are

    multiples

    of

    5.

    22'

    Find

    the

    sum

    of first

    n

    terms

    of

    the

    grornlu.

    progression

    23'

    ;l,iT,tiri'ffi;tr(til;il

    the

    points

    ('2,6)ana

    1i,

    eii';.'p*aicurar

    to the

    rine

    through

    the

    24.

    Findthe

    equation

    of

    the

    rine passing

    through

    the

    point

    (-4,

    3)

    with

    slope

    %.

    25'

    Find

    the

    equation

    of

    the parabola

    with

    focus (2,

    0j

    and

    direckix

    x:

    -2

    III.

    Answer

    any

    ten

    questions.

    3X10=30

    6.

    7.

    8.

    10X1=10

    26.

    If

    U:

    {1,2,3,1,5,6,7,g,g\,A:

    {

    2,4,6,g}

    andB:

    {2,

    3,5,7),veriffthat

    (AUB)':A'AB'.

    If

    f

    (x)

    =r*1

    and g(x)

    =

    2x-3

    then

    find

    (f+S)

    (x),

    (fg)

    (x)

    and

    (flg)

    (.r).

    Prove that

    Cos4x

    = l-g

    Cosrx

    Sinrx.

    27.

    28.

    P.T.O.

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  • 8/20/2019 1st PU Maths Nov 2014.pdf

    2/2

    ri2:i

    If tanx

    :3/4,7r


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