If a, b, c are in H.P., then the value of b + a ~b - a + b + c ~b - c is

Mathematics · JEE Advanced · NTA Exams — Progression and Series

1. 0
2. 1
3. 2
4. 3

Answer

(C) 2

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• If α, β be roots of x 2 – 3x + a = 0 and γ, δ are the roots of x 2 – 12x + b = 0 and α, β, γ, δ (in order)…
• If the sum to n terms of a series be 5n 2 + 2n, then second term is
• The sum of the first 10 terms of 3 2 + 5 4 + 9 8 + 17 16 + is
• For 0 and z= _ n=0 ^ ^ 2 n ^ 2 n , then
• If 5x – y, 2x + y, x + 2y are in A.P. and (x–1) 2 , (xy + 1), (y+1) 2 are in G.P., x ≠ 0, then x + y =
• If the sum of n terms of G.P. is S, product is P and sum of their inverses is R, then P 2 =
• If x = 111 ... 1 (20 digits), y = 333...3 (10 digits) and z = 222...2 (10 digits), then x-y^ 2 z =
• Let _ r =1 ^ n r ^ 4 =f( n ) then _ r =1 ^ n (2 r -1)^ 4 is equal to

More Progression and Series questions · Browse all practice questions