Teaching AWES Army Public School TGT Mock Test 2024 Engineering Mathematics Combinatorics Generating Functions
पुनरावृत्ति संबंध ar = ar-1 + 2ar-2 with a0 = 2, a1 = 7 का हल है:
1
ar= (3)r + (1)r
2
2ar= (2)r/3 –(1)r
3
ar= 3r+1 – (-1)r
4
ar= 3(2)r – (-1)r