BA LLB Banaras Hindu University 2019 Solved Paper

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Question : 109 of 170

Marks: +1, -0

HCF or GCD of

(x^{2}-4)

and

(x^{2}+x-6)

is

$(x+2)$
$(x-2)$
$(x^{2}-2)$
$(x^{2}+2)$

Solution:

[x^{2}-(2)^{2}]=(x-2)(x+2)

(x^{2}+x-6)=(x-2)(x+3)

GCD or HCF of

(x^{2}-4)

and

(x^{2}+x-6)=x-2

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