If \sqrt4 + \sqrt16 + \sqrt25 = \sqrt{?}, which of the following will replace the sign of interrogation (?)?

Powers and Roots Practice Test 2

Question : 15 of 40

Marks: +1, -0

√4 + √16 + √25 = √{?}

, which of the following will replace the sign of interrogation (?)?

Solution:

√4 + √16 + √25 = √{?}

2+4+5 = √{?}

11 = √{?}

?=11^2=121

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