Question
a.
n = ((a x a x b)/((a + b)(a + 2b)2))
b.
n = ((a x a x b)/((a – b)(a + 2b)²))
c.
n = ((a x a x b)/((a + b)(a + b)²))
d.
n = ((a x a x b)/((a + b)(a + 2b)³))
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