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12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிக பாதுகாப்பு அமைப்புகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
NEW12th Standard
TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 05/11/2020
12th Standard Maths Theory of Equations English Medium Free Online Test One Mark Questions 2020 - 2021
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.
If p(x) = ax2 + bx + c and Q(x) = -ax2 + dx + c where ac ≠ 0 then p(x). Q(x) = 0 has at least _______ real roots.
no
1
2
infinite
2.
If x2 - hx - 21 = 0 and x2 - 3hx + 35 = 0 (h > 0) have a common root, then h = ___________
0
1
4
3
3.
If ∝, β, ૪ are the roots of the equation x3-3x+11 = 0, then ∝+β+૪ is __________.
0
3
-11
-3
4.
If the equation ax2+ bx+c = 0(a > 0) has two roots ∝ and β such that ∝ <- 2 and β > 2, then __________
b2-4ac = 0
b2 - 4ac <0
b2 - 4ac >0
b2 - 4ac ≥ 0
5.
6.
If f(x) = 0 has n roots, then f'(x) = 0 has __________ roots
n
n -1
n+1
(n-r)
7.
The polynomial x3 + 2x + 3 has
one negative and two imaginary zeros
one positive and two imaginary zeros
three real zeros
no zeros
8.
9.
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
10.
A zero of x3 + 64 is
0
4
4i
-4
1.
(c)
2
2.
(c)
4
3.
(a)
0
4.
(c)
b2 - 4ac >0
5.
(a)
6.
(b)
n -1
7.
(a)
one negative and two imaginary zeros
8.
(a)
9.
(c)
\(\frac { 4 }{ 5 } \)
10.
(d)
-4
12th Standard Syllabus & Materials
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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
