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.

Board |
RBSE |

Textbook |
SIERT, Rajasthan |

Class |
Class 7 |

Subject |
Maths |

Chapter |
Chapter 13 |

Chapter Name |
Algebraic Expression |

Exercise |
Ex 13.1 |

Number of Questions |
2 |

Category |
RBSE Solutions |

## 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) 9x^{2} – 8

(ii) 12x^{2}y + 8xy^{2} – 15y^{3}

(iii) a^{3} – b^{3}

Solution:

Question

Find the coefficient in the (RBSESolutions.com) given terms.

(i) x in 4x

(ii) y^{2}, x^{2} in 9x^{2}y^{2}

(iii) x^{3}, y^{3} and x^{3}y^{3} in \(\frac { -8 }{ 5 }\) x^{3}y^{3}

(iv) a^{2} and b^{2} in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\)

Sol.

(i) Coefficient of x in 4x is 4.

(ii) Coefficient of y^{2} in 9x^{2}y^{2} is 9x^{2}

Coefficient of x^{2} in 9x^{2}y^{2} is 9y^{2
}(iii) Coefficient (RBSESolutions.com) of x^{3} in \(\frac { -8 }{ 5 }\)y^{3}y^{3} is \(\frac { -8 }{ 5 }\)x^{3}

Coefficient of x^{3}y^{3} in \(\frac { -8 }{ 5 }\)x^{3}y^{3} in \(\frac { -8 }{ 5 }\)y^{3}

(iv) Coefficient of a^{2 }in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\) is \(\frac { 9 }{ 13 }\)b^{2}

Coefficient of b^{2} in \(\frac { 9{ a }^{ 2 }{ b }^{ 2 } }{ 13 }\) is \(\frac { 9 }{ 13 }\)a^{2}

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