If the common difference of the A.P. in which ` T_7 = 9 ` and ` T_1 T_2 T_7 ` is least, is' d ' then ` 20 `d is -

The common difference d of the A.P. in which T_(7) = 9 and T_(1)T_(2)T_(7) is least is

Find the common difference of the A.P. if a=100 and t_20=176 .

Find the common difference of the A.P., if a=100and t_(20)=176 .

Find the common difference ( d) for an A.P., if t_(3) = 8 and t_(4) = 12 .

Write the common difference of an A.P. whose n t h term is a_n=3n+7 .

In a G.P. T_10 = 9 and T_4.= 4 , T_7 will be

The value of common difference of an AP. which makes T_1·T_2·T_7, least, given that T_7 = 9 is A. 33/2 B. 5/4 C. 33/20 D. 5/8

Write the expression a_n-a_k for the A.P. a ,\ a+d ,\ a+2d ,\ ddot Hence, find the common difference of the A.P. for which 11 t h term is 5 and 13 t h term is 79

If in an A.P. a_(7)=9 and if a_(1)a_(2)a_(7) is least, then common difference is _____