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Download Solution PDFఇచ్చినది:
ఉపయోగించిన భావన:
p, q పూర్ణ సంఖ్యలు మరియు q ≠ 0ని p/q రూపంలోకి మార్చగల అన్ని సంఖ్యలను ఆకరణీయ సంఖ్యలు అంటారు.
గణన:
అనుకుందాం,
x = 0.1777… —(1)
కాబట్టి, 10x = 1.777… —(2)
(1) నుండి (2) తీసివేయగా, మనకు ఇలా లభిస్తుంది,
⇒ 10x - x = 1.777 - 0.1777
⇒ 9x = 1.6 x =
⇒ x =
⇒
కాబట్టి, 'ఎంపిక 4' సరైనది.
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