Answer:
If a, b, c and d are in proportion, prove that:
abcd[(1a2+1b2+1c2+1d2] = a2 + b2 + c2 + d2 - Mathematics.
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Answer:
If a, b, c and d are in proportion, prove that:
abcd[(1a2+1b2+1c2+1d2] = a2 + b2 + c2 + d2 - Mathematics.
HOPE IT HELPS YOU FRIEND