समुच्चय \(\mathbb{R}\) पर \(a*b=a+\mu b\) है। यह संक्रिया साहचर्य होने के लिए \(\mu\) के कौन-से मान संभव हैं?
On \(\mathbb{R}\), \(a*b=a+\mu b\). Which values of \(\mu\) make this operation associative?
Explanation opens after your attempt
A. \(\mu=0\) या \(\mu=1\)\(\mu=0\) or \(\mu=1\)
Concept
((a*b)*c=\(a+\mu b\)+\mu c=a+\mu b+\mu c).
Why this answer is correct
(a*(b*c)=a+\mu\(b+\mu c\)=a+\mu b+\mu-2c). Equality needs \(\mu c=\mu^2c\) for every (c), so \(\mu=\mu^2\).
Exam Tip
Thus \(\mu=0\) or \(\mu=1\). चरण 1: ((a*b)*c=\(a+\mu b\)+\mu c=a+\mu b+\mu c)। चरण 2: (a*(b*c)=a+\mu\(b+\mu c\)=a+\mu b+\mu-2c)। बराबरी के लिए \(\mu c=\mu^2c\) हर (c) पर चाहिए, इसलिए \(\mu=\mu^2\)। चरण 3: अतः \(\mu=0\) या \(\mu=1\)।
Login to save your score, XP, coins and progress.
