Find value of a and b if y = 1 and x = 2 is solution of linear equation ax + by =3 and 3a – 2b = 1.

a = 4, b = 1

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a = 1, b = 2

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a = 2, b = 3

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a = 1, b = 1

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Solution

The correct option is D
a = 1, b = 1

Put the values of x and y in the equation, we get

2a + b = 3

Now by solving the simultaneous linear equation,

2a + b = 3 & 3a - 2b =1

a = 1 & b = 1

Suggest Corrections

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