Saturday, 4 February 2017

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 + n

(s + t)(s - t)
      s + t

=  s - t    answer
      
TRY THIS.........................


NECTA FORM II - 2012 QN. 12

Simplify the expression 

a2 + b2/ (a + b)

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