Answer:
an + 1 = an + 2n -1 ,a 1=1
a8= 50
Step-by-step explanation:
an+1=an+2n-1,a1=1
a6=a5+2x5-1
a6=26
a7=26+11
a7=37
a8=37+13
a8=50
54/(2X3)=54 divided by 6, =9 square root of 9 is 3
n=3
1,3 is correct can i be brainliest
(3t^2 + 2 + (-2)) + (t^2 + 3t - 4) - (4 + (-5))
Apply the distributive property to remove parentheses.
3t^2 + 2 - 2 + t^2 + 3t - 4 - 4 + 5
Combine like terms.
<h3>4t^2 + 3t - 3 is the simplified form of the given expression.</h3>