For the sequence t defined by tn = 2n -1 n ≥ 1

1) Find t3
2)Find t7
3)Find t100
3
4)Find ∑ ti
i=1

3
5)Find ∏ ti
i=1

6)Find t2077

6
7)Find ∏ ti
i=3

7
8)Find ∑ ti
i=3

B. For the sequence w defined by
wn = 1/n – 1/n+1 n ≥ 1

3
9)Find ∑ wi
i=1
10
10)Find ∑ wi
i=1

Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false

Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges

Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when