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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 12.1, 2 (Method 1) Factorise the following expressions. (ix) 𝑥^2 y z + x 𝑦^2z + x y 𝑧^2𝑥^2 y z + x 𝑦^2z + x y 𝑧^2 = (𝑥 × 𝒙yz) + (y × 𝒙yz) + (z × 𝒙yz) Taking 𝒙yz common, = 𝒙yz (𝒙 + y + z) Ex 12.1, 2 (Method 2) Factorise the following expressions. (ix) 𝑥^2 y z + x 𝑦^2z + x y 𝑧^2 𝑥^2 y z 〖𝑥𝑦〗^2z 𝑥y𝑧^2 So, x, y and z are the common factors. 𝑥^2 y z + 𝑥𝑦^2z + 𝑥y𝑧^2 = (𝑥 × 𝑥 × y × z) + (𝑥 × y × y × z) + (𝑥 × y × z × z) Taking 𝒙 × y × z common, = 𝑥 × y × z × (𝑥 + y + z) = 𝒙yz (𝒙 + y + z) = 𝑥^2 × y × z = 𝑥 × 𝑦^2 × z = 𝑥 × y × 𝑧^2 = 𝒙 × 𝒙 × y × z = 𝒙 × y × y × z = 𝒙 × y × z × z

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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.