हल करना (4)^(2)+(5)^(2)+(z)^(2)=(21)^(2) | 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

$${ 4 }^{ 2 } + { 5 }^{ 2 } + { z }^{ 2 } = { 21 }^{ 2 }$$