Math, asked by Ilamitra, 23 days ago

Reena ran the first half of an x meter long race at a m/s and the second half at b m/s.Find her average speed S for the race.

Answers

Answered by srisubha516

1

ANSWER:

2ab/(a+b)

Step-by-step explanation:

please see the photo I have explained there

I hope this answer is helpfull for you

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