Ex 8.1, 1 Add the following. (i) ab − bc, bc − ca, ca − ab Expressions are ab − bc bc − ca ca − ab We put like terms below like terms So, required sum = 0

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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