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Rationalise the denominator and simplify A) 2sqrt3/sqrt12 B) 5sqrt7/sqrt35

Rationalise the denominator and simplify A) 2sqrt3/sqrt12 B) 5sqrt7/sqrt35
asked 56.2k views
2 votes
Rationalise the denominator and simplify
A) 2sqrt3/sqrt12

B) 5sqrt7/sqrt35

asked
User Quartz
by
8.5k points

1 Answer

2 votes

Answer: A) 1 B)
\sqrt5

Explanation:


A)\quad (2\sqrt3)/(√(12))=(2\sqrt3)/(2\sqrt3)=1\\\\\\\\B)\quad (5\sqrt7)/(√(35))=(5\sqrt7)/(\sqrt5\cdot \sqrt7)=(5)/(\sqrt5)\bigg((\sqrt5)/(\sqrt5)\bigg)=(5\sqrt5)/(5)=\sqrt5

answered
User Jdamp
by
7.5k points
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