Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

$\mathbf{\frac1a + \frac 1b}=$	A. \(\large\boldsymbol{\frac {1} {ab} }\)
	B. \(\large\boldsymbol{\frac {2ab} {ab} }\)
	C. \(\large\boldsymbol{\frac {1} {a+b} }\)
	D. \(\large\boldsymbol{\frac {b} {a} }\)
	E. \(\large\boldsymbol{\frac {a+b} {ab} }\)

[ B-3789 - op net sinds 3.3.07-(E)-30.10.2023 ]

Translation in E N G L I S H

$\mathbf{\frac1a + \frac 1b}=$	A. \(\large\boldsymbol{\frac {1} {ab} }\)
	B. \(\large\boldsymbol{\frac {2ab} {ab} }\)
	C. \(\large\boldsymbol{\frac {1} {a+b} }\)
	D. \(\large\boldsymbol{\frac {b} {a} }\)
	E. \(\large\boldsymbol{\frac {a+b} {ab} }\)

Oplossing - Solution

$\frac 1a + \frac 1b = \frac{b}{ab}+\frac{a}{ab} = \frac{b+a}{ab}$

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