x=root 2 is a solution of the equation

(a) x2+root2x-4=0 (b)x2+root2x-4=0 (c)3x2+5x+2=0 (d)both (a)&(b)

how can we solve this question.

The answer posted by @abhishek.mohapatra20089 is correct.

@abhishek.mohapatra20089 keep up the hard work.

For the detailed solution,

put the value 

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Substitute the value of x in all the options and check out if LHS=RHS.

Answer : (d) both (a) and (b).

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