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Published on: 22/06/2021
QB365 provides detailed and simple solution for every Creative Questions in class 12 Business Maths Subject.It will helps to get more idea about question pattern in
every Creative questions with solution.
Download Tamil Nadu 12th Standard Business Maths and Statistics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
The differential equation formed by eliminating A and B from y = ex (A cos x + B sin x) is _____________
y2+y1= 0
y2-y1 = 0
y2-2y1+2y = 0
y2-2y1-2y = 0
2.
The differential equation obtained by eliminating a and b from y = a e3x + b e-3x is _____________
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)+ay = 0
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)-9y = 0
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } -9\frac { dy }{ dx } \)
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)+9x = 0
3.
If y = k.eλx then its differential equation where k is arbitrary constant is _____________
\(\frac { dy }{ dx } \)= λy
\(\frac { dy }{ dx } \)= ky
\(\frac { dy }{ dx } \)+ky = 0
\(\frac { dy }{ dx } \)= eλx
4.
The differential equation satisfied by all the straight lines in xy plane is _____________
\(\frac { dy }{ dx } \)=a constant
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)=0
y+ \(\frac { dy }{ dx } \) = 0
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)+y=0
5.
The amount present in a radio active element disintegrates at a rate proportional to its amount. The differential equation corresponding to the above statement is _____________ (k is negative).
\(\frac { dp }{ dt } =\frac { k }{ p } \)
\(\frac { dp }{ dt } \)=kt
\(\frac { dp }{ dt } \)=kp
\(\frac { dp }{ dt } \)=-kt
1.
(c)
y2-2y1+2y = 0
2.
(b)
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)-9y = 0
3.
(a)
\(\frac { dy }{ dx } \)= λy
4.
(b)
\(\frac { { d }^{ 2 }y }{ dx^{ 2 } } \)=0
5.
(c)
\(\frac { dp }{ dt } \)=kp
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
