Mathematics · Functions and Relations
यदि f : &mathbb; → &mathbb; को f(x) = x2 - 4x2 + 1 द्वारा परिभाषित किया जाता है, तो f है:
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- 1एकैकी और आच्छादक दोनों
- 2न तो एकैकी और न ही आच्छादक फलन✓
- 3एकैकी (One-one) लेकिन आच्छादक (Onto) नहीं
- 4आच्छादक (Onto) लेकिन एकैकी (One-one) नहीं
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न तो एकैकी और न ही आच्छादक फलन
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