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If , in a G.P. {a(n)} it is given that ...

If , in a G.P. `{a_(n)}` it is given that
`a_(1)+a_(2)+a_(3)+a_(4)`= 30
and `a_(1)^(2)+a_(2)^(2)+a_(3)^(2)+a_(4)^(2)`=340,
then : `(a_(1),r) -=`

A

(2,2)

B

(3,3)

C

(16,1/3)

D

(16,1/2)

Text Solution

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The correct Answer is:
A
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