Question

Find the value of t9, of a sequence, given
that tn = tn-1 + 2n and​

Answer 1

Answer:

thanks for the points thanks

Answer 2

t1=1

t2=t1+2*2=5

t3=t2+2*3=11

t4=t3+2*4=19

t5=t4+2*5=29

t6=t5+2*6=41

t7=t6+2*7=56

t8=t7+2*8=72

t9=t8+2*9=90