Class X Session 2023-24 Question 28-optional
MATH SAMPLE QUESTION PAPER Class X Session 2023-24 MATHEMATICS STANDARD (Code No.041) Question 28 Explanation: Let's consider : Now equation becomes 2a+3b = 2 -----------------(1) 4a - 9b = -1 -------------------------(2) now solve both equations (1) and (2) First, multiply equation (1) by 2 to align the coefficients of a and subtract from each other 2x(2a+3b) - (4a -9b ) = 4 -(-1) Now, substitute b in equation (1) Now we have a and b so we can find the values of x and y \[\ a = \fr...