Given in question,
x + a/x = b
? ( x2 + a )/x = b
? x2 + a = bx .........................(i)
? bx - x2 = a .........................(ii)
Now Given in question,
( x2 + bx + a ) / ( bx2 - x3 )
? ( x2 + a + bx ) / ( bx2 - x3 )
Put the value of x2 + a from equation (i) in above equation,
? ( bx + bx )/(bx2 - x3)
= (2bx)/( bx2 - x3 )
= (2bx)/x( bx - x2 )
= 2b/(bx - x2)
Put the value of bx - x2 from equation (ii) in above equation, we will get
= 2b/a
4th observation i.e., 8 is the median.
47/10000 = .0047
.02 =(2/100) x 100% =2%
Let N / 11 = 233
Then, N = 233 x 11 = 2563
? Missing digit is 5.
121012 = 12 x 10084 + 4
? remainder = 4
We have the important relation, More work, More time (days)
? A piece of work can be done in 6 days.
? Three times of work of same type can be done in 6 x 3
= 18 days
? = 750.0003 ÷ 19.999
? ? ? 750 ÷ 20
? ? ? 375 ? 38
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