Factorise the following using appropriate identities:- `x^2 - y^2/100`

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#### Solution

`x^2 - y^2/100 = x^2 - (y/10)^2`

`= (x+y/10)(x-y/10)` [x^{2} - y^{2} = (x + y)(x - y)]

Concept: Algebraic Identities

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