Mathematics
Grade-8
Easy

Question

Evaluate
square root of 41 minus square root of 21 plus square root of 19 minus square root of 9 end root end root end root

  1. 4
  2. 26
  3. 16
  4. 6

Hint:

We will simplify the given expression by solving individual terms under each square root.

The correct answer is: 6



    GIVEN-
    √[41-√{21+√(19-√9)}]
    TO FIND-
    Solution to the given expression.
    SOLUTION-
    √[41-√{21+√(19-√9)}]
    = √[41-√{21+√(19-3)}]
    = √[41-√{21+√(16)}]
    = √[41-√{21+4}]
    = √[41-√{25}]
    = √[41-5]
    = √[36]
    = 6
    FINAL ANSWER-
    Option 'a' i.e. '6' is the correct answer to the given question.

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