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Mathematics, 15.07.2019 19:30 zoeycrew
In the given figure, ab//pq//cd. ab = x units. cd = y units and pq = z unites. prove that 1/x + 1/y = 1/z
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In the given figure, ab//pq//cd. ab = x units. cd = y units and pq = z unites. prove that 1/x + 1/y...
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