Question

If 5a/2b is a rational number , then b cannot be _______ ​

Answer 1

Answer:

Please write the full Question

Answer 2

SOLUTION

TO FILL IN THE BLANK

If 5a/2b is a rational number , then b cannot be ___

EVALUATION

Here it is given that 5a/2b is a rational number

We know that a Rational number is defined as a number of the form $\displaystyle \sf{ \frac{p}{q} \: }$

Where p & q are integers with q ≠ 0

Thus p = 5a and q = 2b

Thus q ≠ 0

⇒ 2b ≠ 0

⇒ b ≠ 0

FINAL ANSWER

If 5a/2b is a rational number , then b cannot be Zero

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