Question

all formulas of class 9 please send atleast 20 people​

Answer 1

Answer:

there are many formulae

Answer 2

Step-by-step explanation:

1-a^m×a^n=a^m+n

2-a^m÷a^n=a^m-n

3-(a^m)^n=a^mn

4-(a+b)^2=a^2+b^2+2ab

5-(a-b)^2=a^2+b^2-2ab

6-(a+b)(a-b)=a^2-b^2

7- There are many identities available in Ncert Textbook

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