Porisma

A hint to get started

Approximate an integral with a square root

Evaluate ∫0422+x dx\int_0^4\frac2{2+\sqrt x}\,dx.

CJC · Lecture · Self-Practice 2

The Student prints this on PDF 8 and the Teacher on PDF 9; both give only 2.45. Calculator instructions and optional exact derivation here are independently authored.

No exact-answer restriction is printed for this practice question.

Read the worked solution