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2009-09-10T13:27:11+02:00
A)2√5 + 3√5=5√5
b) 3√7 * 8=24√7
c) 6√5 * ½ √5=3√5
d) (2√3)²=4*3=12
e(2√6/3)²=4*6/9=8/3
2009-09-10T14:55:06+02:00
A) 5√5
b) 24√7
c) 6*1/2*√5*√5 = 3*√25 = 3*5 = 15
d) 2² * (√3)² = 4*3 = 12
e) 2²* (√6/3)² = 4*6/3 = 24/3 = 8