CBSE Class 10 Answered
quadratic equations...
Asked by kanishkaaggarwal | 02 Dec, 2009, 07:16: AM
Expert Answer
let x be the units place and y be the tens place digit
xy =24......(i)
and 10y+x-18 = 10x+y
so y-x=2 or y =x+2
From (i) x2+2x=24
So x2+6x-4x-24=0 so x= -6 or x=4
neglecting negative term
x=4 so y =6
so the number is 64
Answered by | 02 Dec, 2009, 10:29: AM
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