Ex 10.2, 9 - Chapter 10 Class 7 Algebraic Expressions

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Ex 10.2, 9 What should be the value of a if the value of 2x2 + x – a equals to 5, when x = 0?Given that, for x = 0, value is 5 2x2 + x – a = 5 Putting x = 0 2(0)2 + (0) − a = 5 −a = 5 a = −5

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.