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To solve a galerkin method of approach equation must be in ___________

a) Equation
b) Vector equation
c) Matrix equation
d) Differential equation

Answer: d
Explanation: Galerkin method of approach is also called as weighted residual technique. This method of approach can be used for irregular geometry with a regular pattern of nodes. The solution function is substituted in a differential equation, this differential equation will not be satisfied and will give a residue.

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