Let (a) be a rational number and (b) an irrational number. which of these statements would be true? check all that apply

a. the sum of (a) and (b) is never rationsl

b. the product of (a) and (b) is rational

c. (b)^2 is sometimes rational

d. (a)^2 is always rational

e. square root of (a) is never rational

f. square root of (b) is never rational

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