Function as a special type of relation. Pictorial representation of a function, domain, co-domain and range of a function. Real valued functions, domain and range of these functions, constant, identity, polynom
Let A be the set of all 50 students of class XII in a school. Let f: A rarr N be the function defined by : f (x) = Roll number of the student x. Prove that 'f
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Let A be the set of all 50 students of Class X in a school Letf:A→Nbe function defined byf(x)=roll number of the student x. Show that f in one-one but not onto. View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7...
In a class of 60 students, 30 opted for NC C, 32 opted for NSS and 24 opted for both NC C and NSS. If one of these students is selected at random, find the pr
Let X = {Rani, Geeta, Akbar} be the set of students of Class XI who are in school hockey team. Let Y = {Geeta, David, Ashok} be the set of students from Class XI who are in the school football team. Find X∪Y and interpret the set ...