Question
Download Solution PDFa + b = 10 మరియు ab = 9 అయితే, a - b విలువ:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినvi:
a + b = 10
ab = 9
ఉపయోగించిన భావన:
(a – b)2 = a2 + b2 – 2ab
లెక్కింపు:
⇒ (a - b)కు వర్గమూలం చేయడం ద్వారా, మనం పొందుతాము
⇒ (a – b)2 = (a + b)2 – 4ab
⇒ ఫార్ములాలో విలువలను ఉంచడం,
⇒ (a – b)2 = 102 – 4 × 9 = 100 – 36
⇒ (a – b)2 = 64
⇒ a – b = \(\sqrt{64}\) = 8
కాబట్టి, a – b విలువ 8.
Last updated on Jun 17, 2025
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