Q. 4 H4.6( 7 Votes )

# Classify the following numbers as rational or irrational with justification:(1 + √5) − (4 + √5)

The given number is rational number.

Justification:

Consider (1 + √5) – (4 + √5) = 1 – 4 + √5 -√5

= 1 – 4

= 3, which is rational.

Thus, (1 + √5) – (4 + √5) is rational.

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