Factorise : 216a3 - 125b3.
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(6a-5b) ,(36a2+30ab+25b2)
Answered by
8
• (6a)3-(5b)3
• a3-b3=(a-b) (a2+b2+ab)
• a= 6a, b=5b
== (6a-5b) (6a2+5b2+6aX5b)
=(6a-5b) (36a+25b+30ab)
raechall:
thank you
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