Science, asked by XXGurkiratSINGHXX, 11 months ago

Please answer if you know with explintion

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Answered by mohithsuresh2006

0

Answer:

1/5

Explanation:

1/r1+1/r2+1/r3.

so, 1/10+1/20+1/30

so,0.1+0.05+1/30

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