math
posted by j on .
the reciprocal of the expression 2/x + 3/1

the reciprocal of the expression
2/x + 3/1 
2/x + 3/1 = (2*1 + 3*x)/x = (2+3x)/x
so, the reciprocal is
x/(2+3x)
check a value, say x=1
2/1+3/1 = 5
1/(2+3) = 1/5
posted by j on .
the reciprocal of the expression 2/x + 3/1
the reciprocal of the expression
2/x + 3/1
2/x + 3/1 = (2*1 + 3*x)/x = (2+3x)/x
so, the reciprocal is
x/(2+3x)
check a value, say x=1
2/1+3/1 = 5
1/(2+3) = 1/5