Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

HOEVEEL gelijkheden is/zijn correct ? $https://latex.codecogs.com/png.image?\dpi{110}\\ \bullet \quad\quad\qquad\qquad\qquad\qquad\quad \sqrt 1=\sqrt 1\\\bullet \:\quad\qquad\qquad\qquad\quad\sqrt 2+\sqrt 2=\sqrt 2\cdot \sqrt 2\\\bullet \;\;\qquad\qquad\quad\sqrt 3+\sqrt 3+\sqrt 3=\sqrt 3\cdot \sqrt 3 \cdot \sqrt 3\\\bullet \qquad\;\,\;\sqrt 4+\sqrt 4+\sqrt 4+\sqrt 4=\sqrt 4\cdot \sqrt 4\cdot \sqrt 4\cdot \sqrt 4\\\bullet \sqrt 5 +\sqrt 5+\sqrt 5+\sqrt 5+\sqrt 5=\sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5$	A. 1
B. 2
C. 3
D. 4
E. 5

HOEVEEL gelijkheden is/zijn correct ?
$https://latex.codecogs.com/png.image?\dpi{110}\\ \bullet \quad\quad\qquad\qquad\qquad\qquad\quad \sqrt 1=\sqrt 1\\\bullet \:\quad\qquad\qquad\qquad\quad\sqrt 2+\sqrt 2=\sqrt 2\cdot \sqrt 2\\\bullet \;\;\qquad\qquad\quad\sqrt 3+\sqrt 3+\sqrt 3=\sqrt 3\cdot \sqrt 3 \cdot \sqrt 3\\\bullet \qquad\;\,\;\sqrt 4+\sqrt 4+\sqrt 4+\sqrt 4=\sqrt 4\cdot \sqrt 4\cdot \sqrt 4\cdot \sqrt 4\\\bullet \sqrt 5 +\sqrt 5+\sqrt 5+\sqrt 5+\sqrt 5=\sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5$

A. 1

B. 2

C. 3

D. 4

E. 5

How much equalities are correct ? $https://latex.codecogs.com/png.image?\dpi{110}\\ \bullet \quad\quad\qquad\qquad\qquad\qquad\quad \sqrt 1=\sqrt 1\\\bullet \:\quad\qquad\qquad\qquad\quad\sqrt 2+\sqrt 2=\sqrt 2\cdot \sqrt 2\\\bullet \;\;\qquad\qquad\quad\sqrt 3+\sqrt 3+\sqrt 3=\sqrt 3\cdot \sqrt 3 \cdot \sqrt 3\\\bullet \qquad\;\,\;\sqrt 4+\sqrt 4+\sqrt 4+\sqrt 4=\sqrt 4\cdot \sqrt 4\cdot \sqrt 4\cdot \sqrt 4\\\bullet \sqrt 5 +\sqrt 5+\sqrt 5+\sqrt 5+\sqrt 5=\sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5\cdot \sqrt 5$	A. 1
	B. 2
	C. 3
	D. 4
	E. 5