Given x y z are in gp and x^p=y^q=z^r then 1/p 1/q 1/r are in
Answers
Answer:
there in ap
Step-by-step explanation:
if x,y and z are in g.p then y^2=xz, y=√(xz)
given x^p=y^q=z^r
consider x^p=y^q
x^p=((xz)^(1/2))^q
x^p=x^(q/2) . z^(q/2)
in left handed side the powers of x is equal to the right handed side
therefore, p=(q/2)
now, consider y^q=z^r
((xz)^(1/2))^q=z^r
x^(q/2). z^(q/2)=z^r
in left handed side the powers of x is equal to the right handed side
therefore, r=(q/2)
p=r=(q/2)
consider p+r=(q/2)+(q/2)
p+r= q
consider (1/p)+(1/r)=(p+r)/pq
=q/(q/2)(q/2)
=q/((q^2)/2)
=2/q
therefore (1/p)+(1/r)=(2/q)
this the condition of ap
Answer:
(a) ------> A.P
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