Both the proposition and its converse (“If x³ = y³, then x = y”) are true because cubing preserves equality and real numbers have a unique, sign-preserving real cube root. Class 9 Maths Ganita Manjari Part 2 chapter 9 Propositions and ...
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The proposition is true since equal numbers have identical squares. However, the converse (“If x² = y², then x = y”) is false; for example, (-3)² = 3² gives 9 = 9, yet -3 ≠ 3. Class 9 Maths Ganita Manjari ...