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Published on: 29/08/2019
Theory of Equations
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.
The quadratic equation whose roots are ∝ and β is ___________
(x - ∝)(x -β) = 0
(x - ∝)(x + β) = 0
∝ + β = \(\frac{b}{a}\)
∝ β = \(\frac{-c}{a}\)
2.
If a, b, c ∈ Q and p +√q (p, q ∈ Q) is an irrational root of ax2+bx+c = 0 then the other root is ___________
-p+√q
p-iq
p-√q
-p-√q
3.
A polynomial equation in x of degree n always has
n distinct roots
n real roots
n complex roots
at most one root
4.
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
5.
A zero of x3 + 64 is
0
4
4i
-4
6.
x9-5x8 -14x7= 0
7.
9x9+2x5-x4-7x2+2 = 0
8.
2x7-3x6-4x5+5x4+6x3-7x+8 = 0
9.
p(x) = xn.p\(\left( \frac { 1 }{ x } \right) \)
10.
6x6 - 35x5 + 56x4 -56x2 + 35x - 6 = 0
1.
(a)
(x - ∝)(x -β) = 0
2.
(c)
p-√q
3.
(c)
n complex roots
4.
(a)
mn
5.
(d)
-4
6.
4 Change of sign
7.
at least 6 imaginary roots
8.
4 Change of sign
9.
Reciprocal equation of type I
10.
even degree reciprocal equation of type II
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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
