reyesdaisy858
11.12.2020 •
Mathematics
Given a right triangle having the base AB=6 units and the hypotenuse AC= 10 units. Find the length of the altitude BC?
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Ответ:
16x4−4x2+4x−116x4−4x2+4x−1
=16x4−(4x2−4x+1)=16x4−(4x2−4x+1)
=(4x2)2−(2x−1)2∵a2−2ab+b2=(a−b)2=(4x2)2−(2x−1)2∵a2−2ab+b2=(a−b)2
=(4x2−2x+1)(4x2+2x−1)∵a2−b2=(a−b)(a+b
Step-by-step explanation: