Hard Math Class 12 Level 1

For linear equations 3x+2y=10 and 4x+3y=14, what is the value of x?

Linear equations 3x+2y=10 और 4x+3y=14 का solution x क्या है?

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Correct Answer

A. 2

Explanation

Step 1: solve the pair of linear equations. Step 2: by substitution or Cramer's rule, x=2 and y=2. Step 3: exam tip: non-zero determinant gives a unique solution.

Step 1: pair of linear equations solve करें। Step 2: substitution/Cramer's rule से x=2 और y=2 मिलता है। Step 3: exam tip: determinant non-zero हो तो unique solution होता है।

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