1. Show all necessary steps briefly. (10%) 1 1. Simplify 23x+3 x²-3x 1 3 x²-3x 2 X-1 2. Perform the operation X-1 X+1 x²-x 4. Find the values of 'a' and 'b' if 3. If Bonsa harvest aplote of land covered with wheat in 36 hours and Abebe does the same plote of land in 42 hours how long does it take if both of them harvest together?......... (1%) b a - 3 2 17 [4 5 = 3 6. L2 6x²-14x-27 (x+2)(x-3)² 10. Find the inverse of matrix A= 3 (1%) 1 a + b 4 2 1 L1 0 1. (1%) 5. Let f(x) = 4x + 1 = g(x) = 3x + k. Find the value of 'k' which satisfies (gof)(x) = (fog)(x). .(1%) 6. Find the values of A, B and C if 6 7. Let A- and B-[1 2] then, find AB [31] B= 3 .. (1%) 8. Let A=(aij)2x3 and aij-i+j+4. Then determine A 9. Let A be a 4x3 matrix and B be an mxn matrix. Find 'm' and 'n' so that BA is defined... .(1%) A B C 242 +²3+ (x-3)2 -- (1%) x+2 x-3 (1%)​