Question

If $\sqrt[3]{7^a\times35^{b+1}\times20^{c+2}}$ is a whole number then which one of the statements below is consistent with it?

• A. a = 2, b = 1, c = 1
• B. a = 1, b = 2, c = 2
• C. a = 2, b = 1, c = 2
• D. a = 3, b = 1, c = 1
• E. a = 3, b = 2, c = 1

Answer 1

Answer: (E)

a = 3, b = 2, c = 1

Answer 2

The correct option is (E) :a = 3, b = 2, c = 1.