expand : (3/8a-14b)2
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an extinct volcano in south central Honshu that is the highest peak in Japan; last erupted in 1707; famous for its symmetrical snow-capped peak; a sacred mountain and site for pilgrimages.
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Answer:
= (3/8a - 14b)²
= (3/8a)² + (-14b)² + 2(3/8a)(-14b)
= 9/64a² + 196b² - 21ab/2
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