Algebraic Identity - Square of difference of Binomial


 
 
Concept Explanation
 

Algebraic Identity - Square of difference of Binomial

Algebraic Identity- Square of difference of Binomial:

The difference of them is equal to a−b , which is a binomial and the square of the binomial a−b is expressed as small (a-b)^2 in mathematical form. It is also known as the square of the difference of the two terms.

small Formula: (a-b)^2=a^2+b^2-2ab

For example:

small (2x-3y)^2=(2x)^2+(3y)^2-2(2x)(3y)=4x^2+9y^2-12xy

 
Sample Questions
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Question : 1

large frac{0.2X0.2+0.2X0.02}{0.044} is equal to

Right Option : C
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Explanation
Question : 2

Evaluate:   (93)^2

Right Option : C
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Explanation
Question : 3

Evaluate (0.1x-0.5y)^2

Right Option : B
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Explanation
 
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