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    • Posted by Abhishek Yadav 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Sanskar Singh 4 years, 1 month ago

    What

    0Thank You

    ANSWER
    real estate company is going to build a new residential complex. The land they have purchased can hold at most 4500 apartments. Also, if they make x apartments, then the monthly maintenance cost for the whole complex would be as follows: Fixed cost = ₹50,00,000. Variable cost = ₹(160x - 0.04x2)  The maintenance cost as a function of x will be 5000000 5000000 + 160x - 0.04x2 160x - 0.04x2 None of these If C(x) denote the maintenance cost function, then the maximum value of C(x) occur at x = 2000 4500 5000 0 The maximum value of C(x) would be ₹4000000 ₹5160000 ₹5000000 ₹5225000 To practice more questions & prepare well for exams, download myCBSEguide App. It provides complete study material for CBSE, NCERT, JEE (main), NEET-UG and NDA exams. The number of apartments, that the complex should have in order to minimize the maintenance cost, is 5000 4500 1750 3500 If the minimum maintenance cost is attained, then the maintenance cost for each apartment would be ₹1000 ₹2000 ₹1091.11 ₹1200

    • Posted by Sudhanshu Rajput 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Mangalavathi.M David 2 years, 5 months ago

    A real estate company is going to build a new residential complex. The land they have purchased can hold at most 4500 apartments. Also, if they make apartments, then the monthly maintenance cost for the whole complex would be as follows : Fixed cost . Variable cost Based on the above information, answer the following questions.

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    • Posted by Shrishti Singh 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ankush Arora 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Ibrahim Ibrahim Z 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Shashwat Lamba 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Archana Kumari 4 years, 1 month ago

    Sin 3 pi by 4

    2Thank You

    ANSWER

    • Posted by Yash Aggarwal 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Tejesh Saini 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Vishwajeet Bhardwaj 4 years, 1 month ago

    Yes

    0Thank You

    Ranger King 4 years, 1 month ago

    Released

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    ANSWER

    • Posted by Divya Abraham 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Raunak Yadav 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Preeti Dabral 4 years, 1 month ago

    In mathematics, a matrix is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns, which is used to represent a mathematical object or a property of such an object.

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    • Posted by Dark_ Eagle 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    James Pradhan 4 years, 1 month ago

    Solution :- x= a sec alpha , d(x)/d(alpha)=a sec alpha.tan alpha....(i) And y=b tan alpha, then, d(y)/d(alpha)= b sec²alpha ....(ii). Now we have to find, dy/dx={ dy/d(alpha)}/{dx/d(alpha)}=( bsec² alpha) /(asec alpha.tan alpha)=b/a sec alpha/tan alpha = b/a .1/cos alpha/sin alpha/ cos alpha = b/a .cosec alpha. Then d²/dx²= d(b/a.cosec alpha)/dx=b/a.(-cosec alpha.cot alpha).d(alpha)/ dx =-b/a.cosec alpha.cot alpha×1/dx/d(alpha)=-b/a.cosec alpha.cot alpha×1/a sec alpha.tan alpha=-b/a². 1/sin alpha.cot alpha×cos alpha×cot alpha=-b/a² cot³alpha (Ans.)

    0Thank You

    Pallavi Prasad 4 years, 1 month ago

    x=a secα dx = a secα tanα dα......(i) And y=b tanα dy = b sec²α dα.......(ii) Dividing both equations dy/dx= a/b cosecα Again differentiate wrt to x d²y/dx²= a/b (-cotα cosecα)×dα/dx = a/b(-cotα cosecα)×1/a secα tanα =-cot³α/b

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    • Posted by Dikshita Kochrekar 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Srija Pandian 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Abhishek Tiwari 4 years, 1 month ago

    CBSE > Class 12 > Mathematics
    • 5 answers

    Sia ? 4 years, 1 month ago

    512

    1Thank You

    Mehak Jindal 4 years, 1 month ago

    2⁹

    0Thank You

    Pallavi Prasad 4 years, 1 month ago

    Formula, The number of all possible matrix of order n × n is 2^n×n

    0Thank You

    Rohit Gurjar 4 years, 1 month ago

    2`9

    0Thank You

    Srija Pandian 4 years, 1 month ago

    512

    0Thank You

    ANSWER

    • Posted by Aemin Maria Varghese 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 3 answers

    Manish Goel 4 years, 1 month ago

    Continues as greatest integer function is Continues at all non integral points and 3.5 is not an integer

    0Thank You

    Mehak Jindal 4 years, 1 month ago

    Continues as greatest integer function is Continues at all non integral points..

    0Thank You

    Rohit Gurjar 4 years, 1 month ago

    It is continues.

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    ANSWER

    • Posted by Soniya Chauhan 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Rohit Gurjar 4 years, 1 month ago

    1

    0Thank You

    Shivam Aryan 4 years, 2 months ago

    1

    2Thank You

    ANSWER

    • Posted by Prasad. M Prasad. M 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Vishesh Goyal 4 years, 2 months ago

    No

    0Thank You

    ANSWER

    • Posted by Nivi Mk 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 3 answers

    Rohit Gurjar 4 years, 1 month ago

    Yes

    0Thank You

    Nivi Mk 4 years, 2 months ago

    In ur school they kept any test or not

    0Thank You

    Shantanu Anand 4 years, 2 months ago

    No

    0Thank You

    ANSWER

    • Posted by Tejesh Saini 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    🤟Royal Thakur 🤟 4 years, 2 months ago

    No ...

    0Thank You

    Shrestha Pal 4 years, 2 months ago

    No, you can't use whitener...that will be difficult to scan.

    0Thank You

    ANSWER

    • Posted by Sauham Vyas 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Vinay Suthar 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 3 answers

    Subham Mohapatra 4 years, 2 months ago

    x^y=e^x-y Taking log both side ylogx = x-yloge (loge=1) ylogx = x-y Differentiate both side w.r.t x y/x + logx dy/dx = 1 - dy/dx dy/dx(logx+1)= 1-y/x dy/dx = x-y/x(logx+1) = ylogx/x(logx+1) = logx/(logx+1)^2 ANSWER

    0Thank You

    Pallavi Prasad 4 years, 2 months ago

    x^y=e^x-y Taking log both side ylogx = x-yloge (loge=1) ylogx = x-y Differentiate both side w.r.t x y/x + logx dy/dx = 1 - dy/dx dy/dx(logx+1)= 1-y/x dy/dx = x-y/x(logx+1) = ylogx/x(logx+1) = logx/(logx+1)^2 ANSWER

    0Thank You

    Malvika Rai 4 years, 2 months ago

    Given : x^y=e^x-y taking log both side we get, ylogx =(x-y)loge=(x-y). .....1 when x=1 then y(log1)=(1-y)=y=1 Differentiate both side w.r.t 'x' y(1/x)+logx dy/dx = 1-dy/dx =dy/dx ( logx +1) = 1 - y/x = dy/dx = x-y/x(logx +1) when x=1 then, dy/dx= 1-1/1(log1+1) = 0

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    ANSWER

    • Posted by Aseem Mahajan 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Sourabh Verma 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Rahul Gola 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Pallavi Prasad 4 years, 2 months ago

    sinπ/2 = 1 sin-¹(1) = π/2

    0Thank You

    Neelam Baghel 4 years, 2 months ago

    1/under root 1-x^2

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    ANSWER

    • Posted by Neelam Baghel 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 4 answers

    Mehak Jindal 4 years, 1 month ago

    It will be m×a but it is not there I options

    0Thank You

    Aseem Mahajan 4 years, 2 months ago

    <font face="Times New roman">Its a mistake

    0Thank You

    Neelam Baghel 4 years, 2 months ago

    But m×a options me nhi h

    0Thank You

    Aseem Mahajan 4 years, 2 months ago

    <font face="Times New roman">m×a, options are wrong

    0Thank You

    ANSWER

    • Posted by Neelam Baghel 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Aseem Mahajan 4 years, 2 months ago

    <font face="Times New roman">(a) Transpose of a

    1Thank You

    ANSWER

    • Posted by Shanti Negi 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 2 answers

    Aseem Mahajan 4 years, 2 months ago

    <font face="Times New roman">$$cot \theta = \dfrac{b}{\sqrt{b^2 - a^2}}$$

    1Thank You

    Pushpendra Yadav 4 years, 2 months ago

    a/b

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    ANSWER

    • Posted by Vedant Kendre 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Manasi Datla 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 0 answers
    ANSWER

    • Posted by Cute Baccha❤️ 4 years, 2 months ago

    CBSE > Class 12 > Mathematics
    • 3 answers

    Cute Baccha❤️ 4 years, 2 months ago

    Thanks. Sanskar

    0Thank You

    Aseem Mahajan 4 years, 2 months ago

    <style> body { font-family: 'Times New Roman', serif; } </style> </head> <body>Mathematical form is here,
    </body> $$\displaystyle \lim \limits_{x \to c}f(x) = f(c)$$

    1Thank You

    Aseem Mahajan 4 years, 2 months ago

    <style> body { font-family: 'Times New Roman', serif; } </style> </head> <body>Continuity:
    A function is Continuous at a point if the value of function coincides with the limiting value at that point, else its differentiable
    Mathematically,
    f is continous if, $$\displaystyle \lim \limits_{x \to c} f(x) = f(c)
    Take any example yourself for better understanding

    1Thank You

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