ALGEBRA 1H

Simplify the expression s² + t²/ (s + t)

solution

from difference of two squares p² - q² = (p - q)(p + q)

= s² + t²/ (s + t)

= (s + t)(s - t)

      s + t

= (s + t)(s - t)

      s + t

=  s - t    answer

      

TRY THIS.........................

NECTA FORM II - 2012 QN. 12

Simplify the expression 

a² + b²/ (a + b)