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What is the value of (2! + 2! + 2!)?(2! + 2! + 2!) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 66
For a positive integer n, n! = n × (n−1) × ... × 1. Thus, 2! = 2 × 1 = 2. Therefore, 2! + 2! + 2! = 2 + 2 + 2 = 6. Option 8 is incorrect because each 2! equals 2, not 4. Exam tip: Evaluate each factorial separately before performing the given operations.किसी धनात्मक पूर्णांक n के लिए n! = n × (n−1) × ... × 1 होता है। अतः 2! = 2 × 1 = 2। इसलिए 2! + 2! + 2! = 2 + 2 + 2 = 6। विकल्प 8 गलत है, क्योंकि प्रत्येक 2! का मान 2 है, 4 नहीं। परीक्षा टिप: पहले प्रत्येक फैक्टोरियल का अलग मान निकालें, फिर दिए गए संक्रियाएँ करें।
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