Saturday 6 February 2016

FACTORIZATION 4


Factorize completely cq + cr - nr - n2.  

Solution

= cn + cr - nr - n2.

= (cn + cr) – (nr - n2).      [Grouping the factors]

= c(n + r) - n(r + n).

 = (n + r)(c - n).

  Hence cn + cr - nr - n2. =  (n + r)((c - n).    

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

NECTA 1995 QN. 20a


Factorize completely pq + pr - rq - q2.   

No comments:

Post a Comment