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If (a\ast b=a+b+ab), find the value of (1\ast 2).यदि (a\ast b=a+b+ab), तो (1\ast 2) का मान ज्ञात करें।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (5)(5)
Step 1: Put (a=1) and (b=2) in the rule. Step 2: (1\ast2=1+2+1\cdot2=5). Step 3: Include both the addition and multiplication parts of the rule.चरण 1: दिए गए नियम में (a=1) और (b=2) रखें। चरण 2: (1\ast2=1+2+1\cdot2=5)। चरण 3: जोड़ और गुणा दोनों भागों को शामिल करना जरूरी है।
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