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  • HCF of 9 a square minus 16 b square and 12 a square minus 16 ab is

HCF of 9 a square minus 16 b square and 12 a square minus 16 ab is

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9a^2 - 16b^2= (3a+4b)(3a-4b) since a^2-b^2=(a+b)(a-b)

12a^2-16ab= 4a(3a-4b)

There is a common factor 3a-4b in both expressions.

So, it is the HCF.

Posted by

Deependra Verma

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