Question

how to use identity (a-b)^2 ?
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Answer 1

Answer:

(a-b) to the power 2

Step-by-step explanation:

let us take a=5

b=3

Then

(5-3) ^2

= 2^2

= 4

Please comment if you are happy

Answer 2

SoluTion:

$→\;{\bf{(a-b)²}}$

$→\;{\bf{(a-b)(a-b)}}$

$→\;{\bf{a²-ab-ab+b²}}$

$☞\;{\red{\bf{a²-2ab+b²}}}$

(a-b)² identity was used in the case to solve equations and factorisation.

Hope It Helps You ✌️