Question

if a+b=x and ab=y then a= and b=​

Answer 1

Answer:

$a + b = x - - - (1)$

$ab = y$

$b = \frac{y}{a}$

put b in equation 1

$a + \frac{y}{a} = x$

$\frac{ {a}^{2} + y}{a} = x$

${a}^{2} + y =a x$

${a}^{2} =a x - y$

$a= \sqrt{ax - y}$

similarly

$b = \sqrt{bx - y}$