Ex 4.2 ,1
Find the roots of the following quadratic equations by factorization:
(iv) 2x2 x + 1/8=0
2x2 x + 1/8=0
Multiplying both sides by 8
8 2x2 8x + 8 1/8="8 " 0
16x2 8x + 1 = 0
We factorize using
splitting the middle term method
16x2 4x 4x + 1 = 0
4x (4x 1) 1 (4x 1) = 0
(4x 1) (4x 1) = 0
So, x = 1/4 & x = 1/4 are the roots of equation

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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