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If the sum of the first (n) even natural numbers is (756), find the value of (n).यदि पहले (n) सम प्राकृतिक संख्याओं का योग (756) है, तो (n) का मान ज्ञात कीजिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (27)(27)
The sum of the first (n) even numbers is (n(n+1)), so (27\times28=756). Do not confuse (n) with the last even number.पहले (n) सम संख्याओं का योग (n(n+1)) है, इसलिए (27\times28=756)। (n) को अंतिम सम संख्या न समझें।
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