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Continue to ChatEx 6.2, 12 (A) - Chapter 6 Class 12 Application of Derivatives https://teachoo.com//4352/709/Ex-6.2--12---Which-functions-are-strictly-decreasing-on/category/Ex-6.2/
Ex 6.2, 12 (A) - Chapter 6 Class 12 Application of Derivatives https://teachoo.com//4352/709/Ex-6.2--12---Which-functions-are-strictly-decreasing-on/category/Ex-6.2/