uestion 1
(a) What should be added to x3 +3x2y + 3xy2 +y3
to get x3 +y3?
(b) What should be added to 3pq+5p2q2 +p3 to get p3 +2p2q2 +4pq ?
Answers
Answered by
1
Step-by-step explanation:
x³ +y³-( x³ +3x²y + 3xy² +y³ )
=x³ +y³- x³ -3x²y -3xy² -y³
= -3x²y -3xy²
p³ +2p²q² +4pq-( 3pq+5p²q² +p³ )
= p³ +2p²q² +4pq-3pq-5p²q² -p³
= pq-3p²q²
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