In fig., AB || PQ || CD, AB = x units, CD = y units and PQ = z units, prove that 1/x+1/y=1/z.

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In fig., AB || PQ || CD, AB = x units, CD = y units and PQ = z units, prove that 1/x+1/y=1/z.
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Ye question mere preboard mein kar gaya😢😢😢

thenameisanurag
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why dont u create a playlist for every chapter

SAI-rbt
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Sir yeh question alag triangle naming karne se nhi hota kya mene wahi triangle dusri side se likha ho nhi rha

unknownguyfromu.p