x+19x=4,x+19x=4,x + \frac{1}{{9x}} = 4{\text{,}}   then 9x2+19x2" role="presentation">9x2+19x29x2+19x2{\text{9}}{x^2} + \frac{1}{{9{x^2}}}   is?" /> x+19x=4,x+19x=4,x + \frac{1}{{9x}} = 4{\text{,}}   then 9x2+19x2" role="presentation">9x2+19x29x2+19x2{\text{9}}{x^2} + \frac{1}{{9{x^2}}}   is?" /> x+19x=4,x+19x=4,x + \frac{1}{{9x}} = 4{\text{,}}   then 9x2+19x2" role="presentation">9x2+19x29x2+19x2{\text{9}}{x^2} + \frac{1}{{9{x^2}}}   is?" />

If
x+19x=4,
  then
9x2+19x2
  is?

  • 1140
  • 2142
  • 3144
  • 4146
Answer:- 1
Explanation:-

Solution:
 x+19x=4Multiply by 3 both side3x+13x=12Squaring both sides9x2+19x2+2×3x×13x=1449x2+19x2+2=1449x2+19x2=142

Post your Comments

Your comments will be displayed only after manual approval.

  then
9x2+19x2
  is?", "text": "If
x+19x=4,
  then
9x2+19x2
  is?", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" }, "answerCount": "4", "acceptedAnswer": { "@type": "Answer", "text": "
Solution:
 x+19x=4Multiply by 3 both side3x+13x=12Squaring both sides9x2+19x2+2×3x×13x=1449x2+19x2+2=1449x2+19x2=142
", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "
Solution:
 x+19x=4Multiply by 3 both side3x+13x=12Squaring both sides9x2+19x2+2×3x×13x=1449x2+19x2+2=1449x2+19x2=142
", "dateCreated": "7/24/2019 10:09:12 AM" } }
Test
Classes
E-Book