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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `4x^2 –
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Jan 17, 2022
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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`.
`4x^2 – 49y^2`
marks3
chapter9
#sub
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