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If a(1)=2 and a(n)=2a(n-1)+5 for ngt1, t...

If `a_(1)=2` and `a_(n)=2a_(n-1)+5` for `ngt1`, the value of `sum_(r=2)^(5)a_(r)` is

A

130

B

160

C

190

D

220

Text Solution

Verified by Experts

The correct Answer is:
C
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