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Published on: 01/09/2022
QB365 provides a detailed and simple solution for every Possible Book Back Questions in Class 12 Maths Subject - Theory of Equations, English Medium. It will help Students to get more practice questions, Students can Practice these question papers in addition to score best marks.
Download 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.
2.
The polynomial x3 + 2x + 3 has
one negative and two imaginary zeros
one positive and two imaginary zeros
three real zeros
no zeros
3.
4.
5.
The polynomial x3 - kx2 + 9x has three real zeros if and only if, k satisfies
|k| ≤ 6
k = 0
|k| > 6
|k| ≥ 6
6.
According to the rational root theorem, which number is not possible rational zero of 4x7 + 2x4 - 10x3 - 5?
-1
\(\frac { 5 }{ 4 } \)
\(\frac { 4 }{ 5 } \)
5
7.
If α, β and γ are the zeros of x3 + px2 + qx + r, then \(\Sigma \frac { 1 }{ \alpha } \) is
\(-\frac { q }{ r } \)
\(-\frac { p }{ r } \)
\(\frac { q }{ r } \)
\(-\frac { q }{ p } \)
8.
A polynomial equation in x of degree n always has
n distinct roots
n real roots
n complex roots
at most one root
9.
If f and g are polynomials of degrees m and n respectively, and if h(x) = (f o g)(x), then the degree of h is
mn
m+n
mn
nm
10.
A zero of x3 + 64 is
0
4
4i
-4
1.
(a)
2.
(a)
one negative and two imaginary zeros
3.
(d)
4.
(a)
5.
(d)
|k| ≥ 6
6.
(c)
\(\frac { 4 }{ 5 } \)
7.
(a)
\(-\frac { q }{ r } \)
8.
(c)
n complex roots
9.
(a)
mn
10.
(d)
-4
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Tamilnadu Stateboard 12th Standard Subjects
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Physics
Biology
Computer Science
Business Maths and Statistics
Economics
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Accountancy
History
Computer Applications
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Computer Science
Business Maths and Statistics
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