Algebra and Applications Test 3

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Question : 6 of 25

Marks: +1, -0

If

v + 1/w= 1

and

4+ 1 / v=1

what is the value of

u v w

?

1
-1
0
$1/ 2$
None of these

Solution:

v + 1/w= 1⇒vw+1=w

and

4+ 1 / v=1⇒v=uv+1

From Eq. (i),

v={w-1}/w

On substituting this value in Eq. (ii), we get

uv + 1=v

⇒uvw+w=w-1

⇒uvw=-1

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