Math, asked by fahmipspammi, 1 year ago

A takes 6 days less than the time taken by B to finish a piece of work is both A and B together can finish it in the four days find the time taken by B to finish the work​

Answers

Answered by madhumegha251
2

Answer:

Step-by-step explanation:

Attachments:
Answered by uttkarshsingh450
1

let B takes time taken for doing a work = x

A = x - 6 ....(1)

AB = 4

(x-6)(x) = 4

x^2 - 6x - 4 = 0

D = b^2 - 4ac

D  = 52

x = -(-6) ±√52 / 2

x = 6 ± 2√13 / 2

x = 6 + 2√13 / 2          or       x = 6 - 2√13 / 2

  = 8√13 / 2                or            = 4√13 / 2

  = 4√13                      or          = 2√13

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