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| 1. |
Verify that ( a + b) ( a - b) |
| Answer» I think your question is wrong.According to me the question would be that"Verify that (a+b)(a-b)=a^2-b^2".If it is question then answer would be:-(a+b)(a-b)=a(a-b)+b(a-b)=(a×a)-(a×b)+(b×a)-(b×b)=a^2-ab+ab-b^2=a^2-b^2Hence,it can be verified. | |