Q. Find the products and verify the results by taking a=2, b=1, c= -3
(a+b-c) (a-b+c)
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Answer:
=(a+b-c) (a-b+c)
=(a+b-c) (a-b+c)=(2+1+(-3) (2-1+(-3)
=(a+b-c) (a-b+c)=(2+1+(-3) (2-1+(-3)=(2+1-3) (2-1-3)
=(a+b-c) (a-b+c)=(2+1+(-3) (2-1+(-3)=(2+1-3) (2-1-3)=6*(-2)
=(a+b-c) (a-b+c)=(2+1+(-3) (2-1+(-3)=(2+1-3) (2-1-3)=6*(-2)= -12
-12 is the answer
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