Question

(√8+√8+√8+......infinite)(√8-√8-√8-......infinite)​

Answer 1

Given series is in G.P.

Let a= first term and r= common ratio 

a=8 and r=842=21.

∴S=(1−r)a=(1−21)8=(2−1)82×(2+1)(2+1)=8(2+2).

Sum of given series is 8(2+2).

Step-by-step explanation:

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