Ex 9.4, 3 Simplify. (iii) (𝑡+𝑠^2 ) (𝑡^2−𝑠) (𝑡+𝑠^2 ) (𝑡^2−𝑠) = 𝑡(𝑡^2−𝑠)+𝑠^2 (𝑡^2−𝑠) = (𝑡×𝑡^2 )−(𝑡×𝑠)+(𝑠^2×𝑡^2 )−(𝑠^2×𝑠) = 𝑡^3−𝑡𝑠+𝑠^2 𝑡^2−𝑠^3 = 𝒕^𝟑−𝒔𝒕+𝒔^𝟐 𝒕^𝟐−𝒔^𝟑

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.

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