perplexus.info :: Just Math : 2 square roots

2 square roots (Posted on 2023-03-12)

Evaluate, pen and paper only:

sqrt(sqrt(121)-sqrt(120))

No Solution Yet Submitted by Ady TZIDON

Rating: 4.0000 (1 votes)

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Puzzle Solution

| Comment 1 of 14

V(v121-v120))

= v(11-2*v30))

= v(v6)^2+(v5)^2- 2*v6*v5)

= v(v6-v5)^2

= v6-v5

Edited on March 12, 2023, 11:10 pm

Posted by K Sengupta on 2023-03-12 07:09:18

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