Find a and b such that 27,a,b,-6 are in AP.
Answers
Answered by
33
27 , a , b , - 6 are in AP
common difference are constant.
a - 27 = b - a = -6 - b
2a - b = 27 ----------(1)
2b - a = -6 ----------(2)
solve both equation ,
3b = 15
b = 5
put b = 5 in equation (1)
a = 16
hence, a = 16 and b = 5
common difference are constant.
a - 27 = b - a = -6 - b
2a - b = 27 ----------(1)
2b - a = -6 ----------(2)
solve both equation ,
3b = 15
b = 5
put b = 5 in equation (1)
a = 16
hence, a = 16 and b = 5
Similar questions