Question

Q. The equation 2x+y=4 has a unique solution if x,y are:
a) Rational Number b) Real Number
c) Natural Number d) Positive real number

Answer 1

Answer:

2nd answer is correct.

b. real number

Answer 2

Answer:

[c]  In natural numbers, there is only one pair i.e., (1, 1) which satisfy the given equation but in positive real numbers, real numbers and rational numbers there are many pairs to satisfy the given linear equation.

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