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    • Posted by Sanif Warsi 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Prakash Sahu 8 years ago

    a= 1 d= 2(difference between two consecutive term) Tn= 2001 1+(n-1)2= 2001 2n= 2002 n= 1001 Sum= n/2(2a + (n-1) d 1001/2(2+2000) 1001*1001 = 1001^2

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    ANSWER

    • Posted by Shruti Roy 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Abhishek Singh Rathore 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Krishan Kant 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ridhi Rajput 8 years ago

    Sin 30,@=30

    1Thank You

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    • Posted by Joy Deb 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Mannu Mangali 8 years ago

    Collection of well defined objects is called a set.

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    • Posted by Afsana Khatoon 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Anurag Kumar 8 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Afsana Khatoon 8 years ago

    We know that x+2x=3x. Therefore,tan 3x =tan( 2x+x) Appling formula tan( x+y) we get answer

    1Thank You

    Afsana Khatoon 8 years ago

    We know that x+.2 x. =3x Therefore,tan(2x+3x)=3x Appling. On formula tan (x+y) we get answer..

    2Thank You

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    • Posted by Rajneesh Tiwari 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shubam Gupta 8 years ago

    d/dx(5+3x) d/dx(5)+d/dx(3x) 0+3 =3

    3Thank You

    ANSWER

    • Posted by Deepak Rana 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shubam Gupta 8 years ago

    Then range will be from -1 to 1 ie : {-1,1}

    1Thank You

    ANSWER

    • Posted by Rahul Meena 8 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Ridhi Rajput 8 years ago

    The point is (15/2,0)

    1Thank You

    Ridhi Rajput 8 years ago

    X=15/2

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    • Posted by Shivansh Shaw 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ranbir Trikha 8 years ago

    The answer is 1

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    • Posted by Ranbir Trikha 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Amar Kumar 8 years ago

    For a cyclic quadrilateral, the sum of the products of the two pairs of opposite sides equals the product of the diagonals

    AB×CD+BC×DA=AC×BD.

    This fact can be used to derive the trigonometry addition formulas. Ptolemy's theorem states the relationship between the diagonals and the sides of a cyclic quadrilateral. It is a powerful tool to apply to problems about inscribed quadrilaterals.

    1Thank You

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    • Posted by Saurav Kumar 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Aman Singh 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Archit Garg 8 years ago

    A=1,an=a+(n-1)d, 2001=1+(n-1)2, 2000=2n-2, N=1001, Sn=n/2(2a+(n-1)d), Sn=1001/2(2002), Sn=1001*1001,

    2Thank You

    ANSWER

    • Posted by Bharti Sinha 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Manjeet Singh 8 years ago

    The answer will be long dear

    1Thank You

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    • Posted by Afsana Khatoon 8 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Manjeet Singh 8 years ago

    -3

    2Thank You

    Nikhil Yadav 8 years ago

    -3

    1Thank You

    ANSWER

    • Posted by Vikas Dhakad 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Shivansh Shaw 8 years ago

    Bro its too long

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    • Posted by Isha Bairwa 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by J Mondal 8 years ago

    CBSE > Class 11 > Mathematics
    • 3 answers

    Nikhil Yadav 8 years ago

    NCERT or at most Hc Verma

    0Thank You

    Arjun Gupta 8 years ago

    I think Nageen Prakashan is the best book for NEET

    1Thank You

    Pawan Maurya 8 years ago

    40year

    1Thank You

    ANSWER

    • Posted by J Mondal 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Harmeet Singh 8 years ago

    HC Verma

    1Thank You

    ANSWER

    • Posted by Anas Khan 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ridhi Rajput 8 years ago

    First term is 4 nd common difference is 5

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    • Posted by Abhishek Chauhan 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Vivek Kumar 8 years ago

    CBSE > Class 11 > Mathematics
    • 6 answers

    J Mondal 8 years ago

    ??

    0Thank You

    Manjeet Singh 8 years ago

    Priyambada it is 380 first time you are wrong no problem i am always wrong

    0Thank You

    Nikhil Yadav 8 years ago

    380 because it will train out to be 20*19

    1Thank You

    J Mondal 8 years ago

    *380

    1Thank You

    J Mondal 8 years ago

    360

    0Thank You

    Murli Pandey 8 years ago

    20!/18!=20!*19! This is quite big calculations so u can leave ur answer on 20!*19!

    1Thank You

    ANSWER

    • Posted by Jitendra Nayak 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Ridhi Rajput 8 years ago

    Tan90 =1/cot 90 Therefore 1/cot 90×cot 90=1

    2Thank You

    ANSWER

    • Posted by Pitamber Mahto 8 years ago

    CBSE > Class 11 > Mathematics
    • 1 answers

    Nitika Sangwan 8 years ago

    √(3)/2

    2Thank You

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    • Posted by Mudit Sharma 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Mudit Sharma 8 years ago

    CBSE > Class 11 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Nidhi Gupta 8 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Manjeet Singh 8 years ago

    13

    0Thank You

    Murli Pandey 8 years ago

    Root 169=13 

    Because 13²=169.

    1Thank You

    ANSWER

    • Posted by Kaviya Kaviya 8 years ago

    CBSE > Class 11 > Mathematics
    • 2 answers

    Murli Pandey 8 years ago

    Clearly X is smaller than 2 and whole number.. And there are only two whole no.s smaller than 2 I. E. 0 and 1

    3Thank You

    Jitendra Nayak 8 years ago

    O,1

    1Thank You

    ANSWER

    • Posted by Shubham Khurana 8 years ago

    CBSE > Class 11 > Mathematics
    • 5 answers

    Pawan Maurya 8 years ago

    Ye quis bahut asan ha 11

    0Thank You

    Murli Pandey 8 years ago

    9,10,11,12....so it's 11

    0Thank You

    Akash Gupta 8 years ago

    22

    0Thank You

    Chaitanya Mendu 8 years ago

    10+1=11

    1Thank You

    Manjeet Singh 8 years ago

    11

    3Thank You

    ANSWER

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