Question
Download Solution PDFएका धन संख्येची तिच्या वर्ग संख्येसह बेरीज केल्यास 56 ही संख्या मिळते. ती धन संख्या कोणती?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले आहे:
एका धन संख्येची तिच्या वर्ग संख्येसह बेरीज केल्यास 56 ही संख्या मिळते.
वापरलेले सूत्र:
संख्या x मानू
x + x2 = 56
गणना:
x + x2 = 56
⇒ x2 + x - 56 = 0
द्विघात समीकरण सोडवून:
⇒ (x + 8)(x - 7) = 0
⇒ x = - 8 किंवा x = 7
x ही धन संख्या असल्याने, x = 7
∴ बरोबर उत्तर पर्याय (3) आहे.
Last updated on Jun 30, 2025
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