Get live Maths 1-on-1 Classs - Class 6 to 12
Ex 12.3, 9 - Chapter 12 Class 7 Algebraic Expressions
Last updated at March 23, 2023 by Teachoo
Ex 12.3
Ex 12.3, 1
Ex 12.3, 2 Important
Ex 12.3, 3
Ex 12.3, 4
Ex 12.3, 5 Important
Ex 12.3, 6 (i)
Ex 12.3, 6 (ii) Important
Ex 12.3, 6 (iii)
Ex 12.3, 6 (iv) Important
Ex 12.3, 7 (i) Important
Ex 12.3, 7 (ii)
Ex 12.3, 7 (iii) Important
Ex 12.3, 7 (iv)
Ex 12.3, 7 (v) Important
Ex 12.3, 8 (i)
Ex 12.3, 8 (ii) Important
Ex 12.3, 9 Important You are here
Ex 12.3, 10
Transcript
Ex 12.3, 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
