Question

Factorise the following using appropriate identities

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Answer 1

Answer:

ans in attachment

Step-by-step explanation:

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Answer 2

4y² can be written as (2y)²

1 can be written as (1)²

(2y)²-(2×2y×1)+(1)²(Using II identity)

(2y-1)²

x² can be written as (x)²

y²/100 can be written as (y/10)²

so,

(x+y/10)×(x-y/10)(Using III identity)