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Published on: 13/05/2022
QB365 provides detailed and simple solution for every book back questions in class 10 Maths subject.It will helps to get more idea about question pattern in every book back questions with solution.
latest Book back Questions10роЖроорпН ро╡роХрпБрокрпНрокрпБ Maths / роХрогро┐родроорпН родрооро┐ро┤рпН роорпАроЯро┐ропроорпН | рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН | роорпБроХрпНроХро┐роп ро╡ро┐ройро╛роХрпНроХро│рпН | роХрпЗро│рпНро╡ро┐ ро╡ро┐роЯрпИ родрпКроХрпБрокрпНрокрпБ | ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН | рокрпКродрпБродрпНродрпЗро░рпНро╡рпБ рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН , Maths / роХрогро┐родроорпН рокро╛роЯродрпНродро┐ро▒рпНроХро╛рой рооро╛родро┐ро░ро┐ ро╡ро┐ройро╛родрпНродро╛ро│рпНроХро│рпН, роорпБроХрпНроХро┐роп роХрпЗро│рпНро╡ро┐-ро╡ро┐роЯрпИроХро│рпН, роТро░рпБрооро╛ро░рпНроХрпН роХрпЗро│рпНро╡ро┐роХро│рпН, роХро╛ро▓ро╛рогрпНроЯрпБ & рокрпКродрпБродрпНродрпЗро░рпНро╡рпБ роХрпЗро│рпНро╡ро┐родрпН родрпКроХрпБрокрпНрокрпБроХро│рпН
Questions + Answers key
Take MCQ Maths Test1.
g = {(1,1),(2,3),(3,5),(4,7)} роОройрпНро▒ роЪро╛ро░рпНрокро╛ройродрпБ g(x) = αx + β роОройроХрпН роХрпКроЯрпБроХрпНроХрокрпНрокроЯрпНроЯро╛ро▓рпН α рооро▒рпНро▒рпБроорпН β- ро╡ро┐ройрпН роородро┐рокрпНрокро╛ройродрпБ ______.
(–1,2)
(2,-1)
(-1,-2)
(1,2)
2.
f(x) = 2x2 рооро▒рпНро▒рпБроорпН g(x) = \(\frac { 1 }{ 3x } \) роОройро┐ро▓рпН f o g роЖройродрпБ _____.
\(\frac { 3 }{ 2x^{ 2 } } \)
\(\frac { 2 }{ 3x^{ 2 } } \)
\(\frac { 2 }{ 9x^{ 2 } } \)
\(\frac { 1 }{ 6x^{ 2 } } \)
3.
{(a,8), (6,b)} роЖройродрпБ роТро░рпБ роЪрооройро┐роЪрпН роЪро╛ро░рпНрокрпБ роОройро┐ро▓рпН, a рооро▒рпНро▒рпБроорпН b роородро┐рокрпНрокрпБроХро│ро╛ро╡рой роорпБро▒рпИропрпЗ _____.
(8,6)
(8,8)
(6,8)
(6,6)
4.
A = {a,b,p}, B = {2,3}, C = {p,q,r,s} роОройро┐ро▓рпН, n[(A U C) x B] роЖройродрпБ
8
20
12
16
5.
A = {1,2}, B = {1,2,3,4} C = {5,6} рооро▒рпНро▒рпБроорпН D = {5, 6, 7, 8} роОройро┐ро▓рпН роХрпАро┤рпЗ роХрпКроЯрпБроХрпНроХрокрпНрокроЯрпНроЯро╡рпИроХро│ро┐ро▓рпН роОродрпБ роЪро░ро┐ропро╛рой роХрпВро▒рпНро▒рпБ?
(A x C) ⊂ (B x D)
(B x D) ⊂ (A x C)
(A x B) ⊂ (A x D)
(D x A) ⊂ (B x A)
1.
\(g=\{(1,1),(2,3),(3,5),(4,7)\} \)
\(g(x)=\alpha x+\beta\)
\(\alpha\) = 2 рооро▒рпНро▒рпБроорпН \(\beta\) =-1 роОройрпБроорпН рокрпЛродрпБ, g(x) = 2x - 1 роОройрпНрокродрпБ 'g' ропрпИ роиро┐ро▒рпИро╡рпБ роЪрпЖропрпНроХро┐ро▒родрпБ.
2.
\(\mathrm{f}(\mathrm{x})=2 \mathrm{x}^2, \mathrm{~g}(\mathrm{x})=1 / 3 \mathrm{x} \)
\(\mathrm{f} \circ \mathrm{g} =\mathrm{f}[\mathrm{g}(\mathrm{x})]=\mathrm{f}\left[\frac{1}{3 x}\right] \)
\(=2\left(\frac{1}{3 x}\right)^2=2\left(\frac{1}{9 x^2}\right) \)
\(=\left(\frac{2}{9 x^2}\right)\)
3.
роХрпКроЯрпБроХрпНроХрокрпНрокроЯрпНроЯродрпБ {(a, 8),(6, b)} роОройрпНрокродрпБ роЪрооройро┐роЪрпН роЪро╛ро░рпНрокрпБ
роЕродро╛ро╡родрпБ, {(8,8), (6,6)}
\(\therefore a=8, b=6\)
4.
\(A=\{a, b, p\}, \quad B=\{2,3\}, \quad C=\{p, q, r, s\} \)
\(A \cup C =\{a, b, p, q, r, s\} \)
\(n(A \cup C) =6 \)
\(n(B) =2 \)
\(\therefore n[(A \cup C) \times B] =6 \times 2=12\)
5.
\(A=\{1,2\}, B=\{1,2,3,4\},\)
C = {5, 6} рооро▒рпНро▒рпБроорпН D = {5,6,7,8}
\(\mathrm{A} \times \mathrm{C}=\{(1,5),(1,6),(2,5),(2,6)\} \)
\(\mathrm{B} \times \mathrm{D}=\{(1,5),(1,6),(1,7),(1,8), \)
\((2,5),(2,6),(2,7),(2,8), \)
\((3,5),(3,6),(3,7),(3,8), \)
\((4,5),(4,6),(4,7),(4,8)\} \)
роОройро╡рпЗ, \((\mathrm{A} \times \mathrm{C}) \subset (\mathrm{B} \times \mathrm{D})\)
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
