a * b a +b +1 द्वारा परिभाषित संक्रिया * के तहत सभी पूर्णांकों का समुच्चय एक समूह हैं‚ तो 3 −1 क्या होगा? The operation * defined by a * b a +b +1with respect all integers of set of a group, then what will be 3 −1?

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a * b a +b +1 द्वारा परिभाषित संक्रिया * के तहत सभी पूर्णांकों का समुच्चय एक समूह हैं‚ तो 3 <sup>−1 </sup>क्या होगा? The operation * defined by a * b a +b +1with respect all integers of set of a group, then what will be 3 <sup>−1</sup>?






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