Question

pls help me solve this integration sum​

Answer 1

Answer: 7/2

Step-by-step explanation:$\int\limits^2_ {1} \,(2xx^{2} -4) dx$

intigration of x³=x∧4/4 and intigration of 1 is x

then( 2X∧4/4)-(4X)

FURTER USE LIMIT AND SOLVE( FIRST UPPER LIMIT -LOWER LIMIT)

Answer 2

Answer:

lim sigma X tends to n and to n. use that formula