Answer:
(c) n(n+1)/√2
Step-by-step explanation:
√2+√8+√18+√32+...
1√2+2√2+3√2+4√2+...+n√2
- First term= √2
- Common difference= √2
- Sₙ= n/2(2√2+(n-1)√2)= n/2(n√2+√2)=n(n+1)√2/2= n(n+1)/√2
Option (c) is correct
Answer: Your answer will be 41.
Step-by-step explanation: All you would need to do to solve is input -2 in for x in the original equation and then solve the subsequent equation. After solving you will get 41.
Unfortunately, you are wrong. 2x + 3y
x = 4 y = -6
2(4) + 3(-6)
8 + -18
Answer is -10.
If you found this helpful, please brainliest me!
Answer:
The answer is 64 not 63
Step-by-step explanation: