SOLUTION: find the hcf of x^2-xy-2y^2 and 2x^2-xy-y^2

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Question 315117: find the hcf of x^2-xy-2y^2 and 2x^2-xy-y^2
Answer by malaydassharma(59) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-xy-2y%5E2+
=x%5E2%2Bxy-2xy-2y%5E2+
=%28x%2By%29%28x-2y%29



2x%5E2-xy-y%5E2
=2x%5E2%2Bxy-2xy-y%5E2
=%28x-y%29%282x%2By%29
As there is no other common factor in the above exprssions, so HCF =1