RRB Group-D Model Paper 14 with answers for online practice

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Question : 16 of 100

Marks: +1, -0

Simplify:

√{11−2√30}

$√6+√5$
6
$√6−√5$
$6−√5$

Solution:

Tips & Tricks

√{11−2√30}

=

√{(11)−2√6×√5}

=

√{(6+5)−2√6×√5}

=

√{(6)^2+(5)^2−2√6×√5}

=

√(√6–√5)^2

=

√6−√5

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