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यदि रेखाओं `(x-1)/(-3)=(y-2)/(2lambda)=(z-3)/(2)` तथा `(x-1)/(3lambda)=(y-1)/(1)=(6-z)/(5)` एक दूसरे के लंबवत है, तो `lambda` का मान ज्ञात कीजिए।

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यदि रेखाओं `(x-1)/(-3)=(y-2)/(2lambda)=(z-3)/(2)` तथा `(x-1)/(3lambda)=(y-1)/(1)=(6-z)/(5)` एक दूसरे के लंबवत है, तो `lambda` का मान ज्ञात कीजिए।
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Correct Answer - `lambda=-(10)/(7)`
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