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

left (frac{1}{2}x-frac{1}{5}yright)left(frac{1}{2}x-frac{1}{5}yright)=_________________

Right Option : D
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Explanation
Question : 2

Evaluate (300-1)^2

Right Option : B
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Explanation
Question : 3

Find the value of large 97^2

Right Option : D
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Explanation
 
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