Learn All Concepts of Chapter 2 Class 11 Relations and Function - FREE. Check - Relation and Function Class 11 - All Concepts
Last updated at Jan. 28, 2020 by Teachoo
Learn All Concepts of Chapter 2 Class 11 Relations and Function - FREE. Check - Relation and Function Class 11 - All Concepts
Transcript
Misc 7 Let f, g: R โ R be defined, respectively by f(x) = x + 1, g(x) = 2x โ 3. Find f + g, f โ g and ๐/๐ f(x) = x + 1, g(x) = 2x โ 3 (f + g) (x) = f(x) + g(x) = (x + 1) + (2x โ 3) = 3x โ 2 โด(f + g) (x) = 3x โ 2 (f โ g) (x) = f(x) โ g(x) = (x + 1) โ (2x โ 3) = x + 1 โ 2x + 3 = โ x + 4 โด (f โ g) (x) = โx + 4
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