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On (\mathbb{R}), (a*b=a+b-ab). What is the value of (2*(3*4))?समुच्चय (\mathbb{R}) पर (a*b=a+b-ab) है। (2*(3*4)) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (7)(7)
Step 1: First evaluate inside the bracket: (3*4=3+4-12=-5). Step 2: Now (2*(-5)=2+(-5)-2(-5)=7). Step 3: In binary operation questions, follow the bracket order carefully.चरण 1: पहले कोष्ठक के अंदर (3*4) निकालें: (3+4-12=-5)। चरण 2: अब (2*(-5)=2+(-5)-2(-5)=7)। चरण 3: द्विआधारी संक्रिया में कोष्ठक का क्रम बहुत ध्यान से मानें।
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