Question

prosze o wytłumaczenie daje naj​

Answer 1

a) 2√5 + √5 = 3√5

b) 3√7 * 8 = 24√7

c) 6√5 * 1/2√5 = 6 * 5 * 1/2 = 30 * 1/2 = 15

d) (2√3)^2 = 4 * 3 = 12

e) (2√6 / 3)^2 = 4 * 6 / 9 = 24/9 = 2 6/9 = 2 2/3

f) 57 - 2,57 = 2,57

g) 2-10 - -10 = -10

h) (2-5)^3 = 8 * (-5) = -40