The shaded region under the curve y=2x+1 from x=1 to x=4 represents \displaystyle \int_1^4 (2x+1)\,dx. Find the value of this definite integral.

AM-600

Definite integral as area

A Math · Secondary 3 · Medium · Definite integral as area

The shaded region under the curve

y=2x+1

from

x=1

x=4

represents

\displaystyle \int_1^4 (2x+1)\,dx

. Find the value of this definite integral.

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