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11111nata11111 [884]
3 years ago
8

If x² + xy = 62, y2 + xy = 82 then find

Mathematics
1 answer:
ad-work [718]3 years ago
5 0
<h2>answer;</h2><h2>B) 12</h2>

<h2>_________</h2><h2><em>explanation</em><em>:</em><em>:</em><em>:</em></h2>

after adding both equation

we \: get..

<h2> {x}^{2} + xy + {y}^{2} + xy = 62 + 82 </h2><h2> x^2 + y^2 + 2xy = 144 </h2><h2> (x + y)^2 = 144 </h2><h2>(x + y) = sqrt{144} </h2><h2> x + y = 12</h2>

<h2><em>it</em><em> </em><em>may</em><em> </em><em>be</em><em> </em><em>helpful</em><em> </em><em>for</em><em> </em><em>u</em></h2><h2><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>❤</em><em>❤</em><em>❤</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em><em>-</em></h2><h2><u><em>plzzz</em><em> </em><em>mar</em><em> </em><em>it</em><em> </em><em>as</em><em> </em><em>a</em><em> </em><em>brilliant</em><em> </em><em>ans</em></u></h2>
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