Q12(ii) If a, b and c are in A.P ,then find the value of
2y+4 5y+7 8y+a 3y+5 6y+8 9y+b 4y+6 7y+9 10y+c
Solution
,
,
2y+4 | 5y+7 | 8y+a |
3y+5 | 6y+8 | 9y+b |
4y+6 | 7y+9 | 10y+c |