using suitable identity find 64m3-34
Answers
Answered by
96
Answer:
(4m-7m)[16m²+28mn+49n²]
Explanation:
_______________________
We know the algebraic identity:
a³-b³ = (a-b)(a²+ab+b²)
_______________________
Given
64m³ - 343n³
= (4m)³ - (7n)³
= (4m-7m)[(4m)²+(4m)(7n)+(7n)²]
= (4m-7m)[16m²+28mn+49n²]
Therefore,
64m³-343n³
= (4m-7m)[16m²+28mn+49n²]
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Answered by
1
Answer:
These forests grow in regions where year-round rainfall is high and steady and frost is rare. The main areas of its occurrence are in South America; eastern Australia; southern China, Korea, and Japan; small areas of southeastern North America and southern Africa; and all of New Zealand.
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