Answer:

Step-by-step explanation:
Simplifying using the exponent rule with the same base 

Calculate the sum or difference: 
Answer: 
Substitute the value of s, which is now 3 into the equation
A = 6(3)^2
A =6(9)
A = 54
Answer:

Step-by-step explanation:
Given : 
On putting
in place of x , we get 
On simplifying , we get 
On differentiating , we get 
Here ,

Now , we need to express it using summation notation.
