Powers and Roots Practice Test 3

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Question : 32 of 40

Marks: +1, -0

If

a * b * c = √{(a+3)(b+4)}/{c+3}

then find

7 * 14 * 21

$4 /√5$
$√5/ 4$
$1 /√4$
$√4$
None of these

Solution:

7 * 14 * 21=√{(7+3)(14+4)}/{21+3}

=√180/24=√5/4

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