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FACTORISATION

Ramakrishna Dhooli

21/12/2018 0 0

FACTORISE THE FOLLOWING:

TYPE 1:-

a2-b2 =(a+b)(a-b)

Ex:-

1) x2-64 =x²-8²

^=(x+8)(x-8)

^{TYPE 2:- splitting the middle term}

^Method:-

^{split the middle term in two terms so that-}

^{1)Their alzebric sum should be equal to middle term and}

^{2)Their product should be equal to product of 1st and 3rd term.}

^{3)Make the group of twq terms each}

^{4)Remove out the common in each group.}

^Ex:-

x2-10x+24

=x2-6x-4x+24

=x(x-6)-4(x-6)

=(x-6)(x-4)

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