[(2m+1)/(m),(2m-1)/(m),(2m-3)/(m),....],[" 2.If the numbers "a,b,c,d" and eform an A.P.,then "],[" find the value of "a-4b+6c-4d+e.]

If a, b, c, l,m are in A.P, then the value of a-4b + 6c -4l +m is.

If m+2 , 4m-6 and 3m-2 are three consecutive terms of an A.P., find the value of m.

If the value of the determinant |(m,-2),(2,1)| is 7, then value of m is…………..a)-3 b)3 c)-7 d)7

Given A=|a b2c d e2fl m2n|,B=|f2d e2n4l2m c2a b| , then the value of B//A is ___________.

If a tangent to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 with slope m is a normal to the circle x^(2)+y^(2)+4x+1=0, then the maximum value of ab is (A)2m(B)4m(C)m(D)6m

Given A=|a b 2c d e 2f l m 2n|,B=|f 2d e 2n 4l 2m c 2a b| , then the value of B//A is ___________.

If 4m+8 , 2m^(2) + 3m + 6, 3m^(2) + 4m+4 are three consecutive terms of an A.P. Find m.

In a A B C , D and E are points on the sides A B and A C respectively such that D E B C If A D=2 c m , A B=6 c m and A C=9 c m , find A E . (ii) If (A D)/(B D)=4/5 and E C=2. 5 c m , find A E . (iii) If A D=x , D B=x-2 , A E=x+2 and E C=x-1 , find the value of x .