Question

`Value of x,y which satisfies 3x+5y=12xy and 7x-2y= 4xy are?

x,y का मान क्या होगा जो समीकरण 3x+5y=12xy और 7x- 2y=4xy को पूर्ण करता है?

(a) x=37/31,y=41/31 b, y=41/44,x=41/72 I(c) x=1,y=2 ka y=32/41,x=44/41 ​

Answer 1

Answer:

3x+5y=12xy…………….(1)

7x-2y=4xy………………..(2)

If we put x=0 in any equation , we get y=0 .

Thus , x=0 and y=0 is a solution of these equations, also

3.(1/y)+5.(1/x)=12………….(1)

7.(1/y)-2.(1/x)=4……………(2)

From eqn. (1)and (2).

(1/y)/(20+24) =(1/x)/(84–12) = -1/(-6–35).

(1/y)/44=(1/x)/72 = 1/41

1/44y=1/41 => y= 41/44

1/72x=1/41 => x= 41/72. ,thus , x= 41/72 and y= 41/44 is also the another solution.

Answer.

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Answer 2

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