Question
Download Solution PDF\(0.1\overline7\) हे \(\frac{p}{q}\) रूपात लिहा, जेथे p आणि q हे पूर्णांक आणि q ≠ 0 आहे.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेल्याप्रमाणे:
\(0.1\overline7\) \(\frac{p}{q}\) स्वरूपात व्यक्त करा , जेथे p आणि q पूर्णांक आहेत आणि q ≠ 0.
वापरलेली संकल्पना:
सर्व संख्या ज्या p/q स्वरुपामध्ये रूपांतरित केल्या जाऊ शकतात जेथे p, q पूर्णांक आणि q ≠ 0 आहेत, त्यांना परिमेय संख्या म्हणतात.
गणना:
समजा,
x = 0.1777… —(1)
तर, 10x = 1.777… —(2)
(1) मधून (2) वजा करा, आपल्याला मिळेल,
⇒ 10x - x = 1.777 - 0.1777
⇒ 9x = 1.6 x = \(1.6\over 9\)
⇒ x = \(16\over 90\)
⇒ \(x = {p\over q} = {8\over45}\)
त्यामुळे 'पर्याय 4' योग्य आहे.
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