Factorisation of r2 – 4xy + 4y2 is
(a) (x+2y) (x-2y)
(b) (x+2y) (x+2y)
(c) (x-2y) (x-2y)
(d) (2x-y)(2x+y)
Answer :
(c) (x-2y) (x-2y)
Which of the following is a factor of (x + y)³ – (x³+ y³)?
(a) x²+xy +2xy
(b) x² + y² – xy
(c) xy²
(d) 3xy
Answer :
(d) 3xy
More Solutions:
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