Saturday, 28 November 2015

SIMPLIFY 1




Simplify the expression

w2 + n2/ (w + n)

solution

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

= w2 + n2/ (w + n)

= (w + n)(w - n)
      w + n

= (w + n)(w - n)
      w + n

=  w - n    answer
     
TRY THIS.........................


NECTA FORM II - 2012 QN. 12

Simplify the expression

a2 + b2/ (a + b)

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