√70以上 5/x y 1/x-y=2 15/x y-5/x-y=-2 275449
Check our free android apphttps//playgooglecom/store/apps/details?id=comthreepingyaanschoolDownload our Free App https//playgooglecom/store/apps/de সমীকরণ সমাধান করুন `10 /(xy)2/(xy)=4"and"15 /(xy)5/(xy)=2` Example 17 Solve the pair of equations 2/𝑥 3/𝑦=13 5/𝑥−4/𝑦=−2 2/𝑥 3/𝑦=13 5/𝑥−4/𝑦=−2 So, our equations become 2u 3v = 13 5u – 4v = –2 Hence, our equations are 2u 3v = 13 (3) 5u – 4v = – 2 (4) From (3) 2u 3v = 13 2u = 13 Ex 3 6 1 V And Vi 7x 2y Xy 5 8x 7y Xy 15 5/x y 1/x-y=2 15/x y-5/x-y=-2
