Class 12 Relations And Functions · Conceptual Answer1 Markstypes_of_functions
Class 12 Maths · Relations And Functions · Conceptual Answer #158
Does R={(a,b)∈R²:√a=b} define a function from all of R to R?
✅ Step-by-Step Solution
Final Answer: No; its natural real domain is [0,∞), not all of R.
- A negative real input has no real square root and therefore has no image.
- No; its natural real domain is [0,∞), not all of R.
📋 CBSE Stepwise Marking Scheme
- [0.5 marks] A negative real input has no real square root and therefore has no image.
- [0.5 marks] No; its natural real domain is [0,∞), not all of R.
Master Chapter 1: Relations And Functions
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