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Mathematics

9th

grade

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ICSE-Class 9 - Mathematics - Expansions

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17 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

     (a+b)2=\left(a+b\right)^2=   

     a2+b2a^2+b^2  

     a2+b22aba^2+b^2-2ab  

     a2+b2+2aba^2+b^2+2ab  

     2a+2b2a+2b  

  • 2. Multiple Choice
    30 seconds
    1 pt

     (ab)2=\left(a-b\right)^2=   

     a2b2a^2-b^2  

     a2+b22aba^2+b^2-2ab  

     a2+b2+2aba^2+b^2+2ab  

     2a2b2a-2b  

  • 3. Multiple Choice
    30 seconds
    1 pt


     (a+b)2+(ab)2=(a+b)^2+(a-b)^2=  

     4ab4ab   

     a2+b2a^2+b^2  

     2(a2+b2)2\left(a^2+b^2\right)  

     4(a2+b2)4\left(a^2+b^2\right)  

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