Question

13. If x/p = y1/4 = zl/r and xyz = 1, then the value of p + q + r is
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Answer 1

Answer:

x

1/p

=y

1/q

=z

1/r

=k (say)

⇒x=k

p

,y=k

q

,z=k

r

xyz=1 (given)

k

p

.k

q

.k

r

=1

k

(p+q+r)

=1.

⇒(p+q+r)=0

.