Question

Extra question on Rational numbers....

plz fast

Answer 1

Answer:

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Question 1.

Pick up the rational numbers from the following numbers.

\frac { 6 }{ 7 }, \frac { -1 }{ 2 }, 0, \frac { 1 }{ 0 }, \frac { 100 }{ 0 }

Solution:

Since rational numbers are in the form of \frac { a }{ b } where b ≠ 0.

Only \frac { 6 }{ 7 }, \frac { -1 }{ 2 } and 0 are the rational numbers.

Question 2.

Find the reciprocal of the following rational numbers:

(a) \frac { -3 }{ 4 }

(b) 0

(c) \frac { 6 }{ 11 }

(d) \frac { 5 }{ -9 }

Solution:

(a) Reciprocal of \frac { -3 }{ 4 } is \frac { -4 }{ 3 }

(b) Reciprocal of 0, i.e. \frac { 1 }{ 0 } is not defined.

(c) Reciprocal of \frac { 6 }{ 11 } is \frac { 11 }{ 6 }

(d) Reciprocal of \frac { 5 }{ -9 } = \frac { -9 }{ 5 }

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Answer 2

Answer:

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