हल करना 420sqrt(14+45sqrt(15-20)) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$420 \sqrt{ 14+45 \sqrt{ 15-20 } }$$