# Indices Class-9th ICSE RS Aggarwal Maths Goyal Brothers Prakashan

Indices Class-9th ICSE RS Aggarwal Maths Solutions Goyal Brothers Prakashan Chapter-6 . We provide step by step Solutions of Exercise / Lesson-6 Indices for ICSE Class-9 RS Aggarwal Mathematics .

Our Solutions contain all type Questions with Exe-6 A with Notes to develop skill and confidence. Visit official Website CISCE for detail information about ICSE Board Class-9 Mathematics.

## Indices Class-9th ICSE RS Aggarwal Maths Solutions Goyal Brothers Prakashan Chapter-6

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Notes on Indices

Exercise-6 ,

Definition of Indices

A number or a variable may have an index. Index of a variable (or a constant) is a value that is raised to the power of the variable. The indices are also known as powers or exponents. It shows the number of times a given number has to be multiplied. It is represented in the form:

a= a × a × a ×……× a (m times)

Here, a is the base and m is the index.

### Laws of Indices

a0 = 1

a-p = 1/ap

Exercise – 6, Indices Class-9th ICSE RS Aggarwal Maths Solutions Goyal Brothers Prakashan

evaluate

(i)    (125)…………

……………….

………………………..

………………………

………………….

………………

…………………

#### Question 7 and Question 8

……………………..

Question 9 to Question 11

…………………….

………………………..

…………………………

……………………………..

#### Question 16

simplify………………………

#### Question 17

prove that …………………….

#### Question 18

prove that……………………..

#### Question 19

prove that…………………….

#### Question 20 and Question 21

20- if abc=1 prove that………………………

#### Question 22 and Question 23

22-    if ………………………… prove that (m-n) =1

#### Question 24 to Question 26

24 – if 1960 =………………………. find value of a, b, c

hence calculate the value of

………………..

……………………..

………………….

………………………..

……………………..

#### Question 33 and Question 34

33 – if ……………………..show that

…………………….