31. What is the value of each of these sumns of terms of a geometric progression?...

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31. What is the value of each of these sumns of terms of a geometric progression? 8 a) Σ 3.2 j=11 8 c) Σ (-3) j=2 32. Find the value of each of these 8 a) Σ(1 +(-1)) 8 c) Σ(2.3 +3.2) 2 3 2) Σ Σ (+5) isljz| 8 b) ΣΥ j=1 8 d) Σ 2·(-3) j=ll 9 ΣΣΙ 1=17-0 d) Σ (2+1 - 2/) j=11 j= 0) 33. Compute each of these double sums, 2 3 Σ Σ (2i + 3) i=0;=" 23 32 a) Σ Σ -;) 1-1/-1 32 © ΣΣ; i=1}={} sumns, 8 b) Σ(3 − 2) j=1 b) d) ΣΣ t=0j=1 34. Compute cach of these double sunas. 3 2 b) Σ Σ (3i + 2)) (-0/-0 2 3 d) ΣΣ i=llj=!!! 31. What is the value of each of these sumns of terms of a geometric progression? 8 a) Σ 3.2 j=11 8 c) Σ (-3) j=2 32. Find the value of each of these 8 a) Σ(1 +(-1)) 8 c) Σ(2.3 +3.2) 2 3 2) Σ Σ (+5) isljz| 8 b) ΣΥ j=1 8 d) Σ 2·(-3) j=ll 9 ΣΣΙ 1=17-0 d) Σ (2+1 - 2/) j=11 j= 0) 33. Compute each of these double sums, 2 3 Σ Σ (2i + 3) i=0;=" 23 32 a) Σ Σ -;) 1-1/-1 32 © ΣΣ; i=1}={} sumns, 8 b) Σ(3 − 2) j=1 b) d) ΣΣ t=0j=1 34. Compute cach of these double sunas. 3 2 b) Σ Σ (3i + 2)) (-0/-0 2 3 d) ΣΣ i=llj=!!!

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