The proposition is not true.
pi and -pi are both irrational. But their sum, = 0, is rational.
The square root of any positive integer can only be a WHOLE NUMBER or IRRATIONAL, so the square root of 7 is irrational.On the other hand, the sum of a rational and an irrational number is always irrational.
No. If the rational number is not zero, then such a product is irrational.
If you divide a rational number by an irrational number, or vice versa, you will ALMOST ALWAYS get an irrational result. The sole exception is if you divide zero (which is rational) by any irrational number.
Since pi is irrational, its product with any other number is also irrational. The only exception is a multiple of its own reciprocal.
You can add any irrational number.
Yes.
No. 0 is a rational number and the product of 0 and any irrational number will be 0, a rational. Otherwise, though, the product will always be irrational.
Yes.
No. The sum of an irrational number and any other [real] number is irrational.
The product of 0 and an irrational is 0 (a rational), the product of a non-zero rational and any irrational is always irrational.
The square root of any positive integer can only be a WHOLE NUMBER or IRRATIONAL, so the square root of 7 is irrational.On the other hand, the sum of a rational and an irrational number is always irrational.
No. If the rational number is not zero, then such a product is irrational.
If you multiply or divide an irrational number - such as pi - by ANY rational number (except zero), you will ALWAYS get an irrational number.
If you divide a rational number by an irrational number, or vice versa, you will ALMOST ALWAYS get an irrational result. The sole exception is if you divide zero (which is rational) by any irrational number.
Since pi is irrational, its product with any other number is also irrational. The only exception is a multiple of its own reciprocal.
You can add any irrational number.
Because like any other irrational number it can't be expressed as a fraction