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Published on: 13/05/2022
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latest Creative QuestionsDownload Tamil Nadu 12th Standard Maths 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 Maths Test1.
If \(\rho\) (A) = r then which of the following is correct?
all the minors of order n which do not vanish
'A' has at least one minor of order r which does not vanish and all higher order minors vanish
'A' has at least one (r + 1) order minor which vanish
all (r + 1) and higher order minors should not vanish
2.
If A is a matrix of order m \(\times\) n, then \(\rho\) (A) is _________
m
n
≤ min (m,n)
≥ min (m,n)
3.
The system of linear equations x + y + z = 2, 2x + y - z = 3, 3x + 2y + kz = has a unique solution if __________
k ≠ 0
-1 < k < 1
-2 < k < 2
k = 0
4.
5.
The system of linear equations x + y + z = 6, x + 2y + 3z =14 and 2x + 5y + λz =μ (λ, μ \(\in \) R) is consistent with unique solution if _________
λ = 8
λ = 8, μ ≠ 36
λ ≠ 8
none
1.
(b)
'A' has at least one minor of order r which does not vanish and all higher order minors vanish
2.
(c)
≤ min (m,n)
3.
(a)
k ≠ 0
4.
(b)
5.
(c)
λ ≠ 8
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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
