a3-b3=(a+b)(a2-__+__)
plz fill the blank
Answers
Answered by
0
Answer:
(a+b)(a²-ad+b²)
Step-by-step explanation:
It is just a formula derived from (a-b)³=a³-b³- 3ab(a-b).
Answered by
0
Answer:
a³-b³=(a+b)(a²-ab+b²)
Step-by-step explanation:
lhs. rhs
a³-b³=(a+b)(a²-ab+b²)
=a(a²-ab+b²)+b(a²-ab+b²)
= a³-a²b +ab²+a²b-ab²-b³
=a³-b³-a²b+a²b+ab²-ab²
=a³-b³
therefore lhs =rhs.
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