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Question 5 (i) - Statements - Mathematical Reasoning
Last updated at April 16, 2024 by Teachoo
Mathematical Reasoning
Concept wise
-
Statements
- Writing negation of statements
- Negation - Checking if true or not
- Finding Compound Statement
- Words 'And' & 'Or'
- Inclusive and exclusive or
- Quantifiers
- Contrapositive and converse
- If then
- If and only if
- Proving not true/false (by giving counter examples)
- Proving True - If and only if
- Proving True - By Contrapositive
- Proving True - By Contradiction
- Necessary and sufficient condition
Transcript
Question 5 Which of the following statements are true and which are false? In each case give a valid reason for saying so. (i) p: Each radius of a circle is a chord of the circle. This statement is false By definition the chord , It should intersect the circle in two points OB & OC are radius of circle But they don’t intersect the circle at two points Hence OB & OC are not the Chord of a circle.
