RBSE Solutions for Class 7 Maths Chapter 13 Algebraic Expression Ex 13.1

RBSE Solutions for Class 7 Maths Chapter 13 Algebraic Expression Ex 13.1 is part of RBSE Solutions for Class 7 Maths. Here we have given Rajasthan Board RBSE Class 7 Maths Chapter 13 Algebraic Expression Exercise 13.1.

Rajasthan Board RBSE Class 7 Maths Chapter 13 Algebraic Expression Ex 13.1

Question 1
Find the factor of terms of expression (RBSESolutions.com) by making tree diagram.
(i) 9x² – 8
(ii) 12x²y + 8xy² – 15y³
(iii) a³ – b³
Solution:

Question
Find the coefficient in the (RBSESolutions.com) given terms.
(i) x in 4x
(ii) y², x² in 9x²y²
(iii) x³, y³ and x³y³ in \(\frac { -8 }{ 5 }\) x³y³
(iv) a² and b² in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\)
Sol.
(i) Coefficient of x in 4x is 4.
(ii) Coefficient of y² in 9x²y² is 9x²
Coefficient of x² in 9x²y² is 9y²
(iii) Coefficient (RBSESolutions.com) of x³ in \(\frac { -8 }{ 5 }\)y³y³ is \(\frac { -8 }{ 5 }\)x³
Coefficient of x³y³ in \(\frac { -8 }{ 5 }\)x³y³ in \(\frac { -8 }{ 5 }\)y³
(iv) Coefficient of a² in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\) is \(\frac { 9 }{ 13 }\)b²
Coefficient of b² in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\) is \(\frac { 9 }{ 13 }\)a²

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