Math, asked by Raghav98233, 1 year ago

Fully explain Identity
 {a}^{2}  -  {b}^{2}
15 points
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Answers

Answered by ninja007
1
 {a}^{2} - {b = }^{2} (a - b)(a + b)


#Ninja

Raghav98233: Bro i asked to explain
ninja007: sorry, but I am a girl!!
Raghav98233: Ok
Raghav98233: Sorry
Answered by Rajdeep11111
2
Heya friend!!
Rajdeep here...

We know,  a^{2} -  b^{2}  = (a+b) (a-b)
How??

[tex](a+b)(a-b) \\= a^{2} - ab + ab - b^{2}[/tex]
[By simple multiplication].
In the above equation, -ab and +ab gets cancelled.
Thus,  (a^{2} - b^{2}) is left behind.

Thus, it is proved that  (a^2 - b^{2}) = (a+b) (a-b)

Thanks!!


Raghav98233: Thanks
Rajdeep11111: YOu are most welcome
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