x−−√x\sqrt x   - y" role="presentation">y√y\sqrt y   = 1, x" role="presentation">x−−√x\sqrt x   + y" role="presentation">y√y\sqrt y   = 17, then xy" role="presentation">xy−−√xy\sqrt {xy}   = ?" /> x−−√x\sqrt x   - y" role="presentation">y√y\sqrt y   = 1, x" role="presentation">x−−√x\sqrt x   + y" role="presentation">y√y\sqrt y   = 17, then xy" role="presentation">xy−−√xy\sqrt {xy}   = ?" /> x−−√x\sqrt x   - y" role="presentation">y√y\sqrt y   = 1, x" role="presentation">x−−√x\sqrt x   + y" role="presentation">y√y\sqrt y   = 17, then xy" role="presentation">xy−−√xy\sqrt {xy}   = ?" />

If
x
  -
y
  = 1,
x
  +
y
  = 17, then
xy
  = ?
  • 1
    72
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Answer:- 1
Explanation:-

Solution:
x−y=1......(i)x+y=17.....(ii)From equation (i) and (ii)x=9,y=8So, xy=9×8=72

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  -
y
  = 1,
x
  +
y
  = 17, then
xy
  = ?", "text": "If
x
  -
y
  = 1,
x
  +
y
  = 17, then
xy
  = ?", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" }, "answerCount": "4", "acceptedAnswer": { "@type": "Answer", "text": "
Solution:
x−y=1......(i)x+y=17.....(ii)From equation (i) and (ii)x=9,y=8So, xy=9×8=72
", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "
Solution:
x−y=1......(i)x+y=17.....(ii)From equation (i) and (ii)x=9,y=8So, xy=9×8=72
", "dateCreated": "7/24/2019 10:09:12 AM" } }
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