Question

plsss tell help me.. answer it with full steps​

Answer 1

Answer:

let ,5+x/5-x =y

therefore ,

• y -1/y= 15/4
• ( y ) square -1/y =15/4. ( L.c.m)
• (y)square -1 = 15y/4
• 4((y) square -1 ) = 15y
• ( 4y) square -4 =15y
• (4y) square -15y -4 =0
• (4y)2 -15y -4=0
• (4y)2 -16y +y -4
• ((4y) 2 -16y) +(y -4)
• 4y(y -4) +1(y-4)
• (4y+1) (y -4)
• y = -1/4 , 4

in case 1 (y=4)

5+x /5-x =4

5+x = 4(5-x)

5+x = 20 -4x

4x +x = 20-5

5x= 15

x=15/5

x=3

in case 2 (y =-1/4)

5+x=-1(5-x)/4

4(5+x)=-1(5-x)

20 +4x = x -5

4x-x = -5-20

3x = -25

x = -25/3

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