hiten1636 hiten1636

11-04-2024
CBSE BOARD X

Answered

right weather 2 root 45 + 5 root 20 / 2√5 and simplification gives rational or irrational

Answer :

MathTeacher029 MathTeacher029

11-04-2024

Answer: This simplification gives rational.

Please brainllest my answer

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tejuarts25 tejuarts25

11-04-2024

Answer:

Yes it gives a rational number

Explanation:

2root45+5root20/2root5

=2root9x5+5root4x5/2root5

=6root5+10root5/2root5

By takiing 2root5 common in numerator we get,

=2root5(3+5)/2root5

=3+5

=8

∴The simplified form gives a rational number

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