Answer:

Step-by-step explanation:
Given that,
...(1)
We need to find the value of
.
Put n = 1 to find the first term.

Put n = 2 to find the second term.

Put n = 3 to find the third term.

Put n = 10 to find the tenth term.

It means we need to find the sum of 5,7,9,.....,23.
The formula for the sum of n terms is given by :

We have, n = 10, a = 5 and 
So,

So, the value of
is equal to 280.
Answer:
Its B
Step-by-step explanation:
1^3 is 1
Answer: x=−5.029655,−0.991746,9.021401
Step-by-step explanation:
Answer:
Answer of Q. 20
Step-by-step explanation:
Hope this helps...☺