Q17(i) If a/b = c/d = e/f prove that: (i) (b2 + d2 + f2) (a2 + c2 + e2) = (ab + cd + ef)2
Solution
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Q17(i) If a/b = c/d = e/f prove that: (i) (b2 + d2 + f2) (a2 + c2 + e2) = (ab + cd + ef)2
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