ExamPlay Light Logo
היכנס

Mathematics for IGCSE & O level - Surds (Section 2 - No. 40)

Given x=√3+1 and y=√3-1, what is xy?
4
2
3
1

הֶסבֵּר

xy = (√3+1)(√3-1) = 3-1 = 2

הערות (0)

פִּרסוֹמֶת