emailaarushisarkar emailaarushisarkar

13-07-2020
Mathematics

contestada

If the common difference of an A.P is d, find a3 – a1

Respuesta :

jimrgrant1 jimrgrant1

13-07-2020

Answer:

2d

Step-by-step explanation:

The n th term of an AP is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference, thus

a₃ - a₁

= a₁ + 2d - a₁

= 2d

Answer Link

Otras preguntas

how do you solve the system of elimination method.x-6y=-30-2x-5y=-25

who is the aztec king

A square and a circle have equal areas. Which shape has shorter perimeter?

Find two numbers whose product is -140 and sum is -4.

Simplify the expression. Write the answer without using parentheses or negative exponents.((x^4 y^2)^5)/((x^2 y)^2)

which structure of a bird is correctly paired with its function

Which statement about the Islamic Golden Age is a fact rather than an opinion? (1) Islamic medicine was more advanced than Chinese medicine. (2) Poetry and lite

Consider polynomial function f(x) = (x+ 1)(x−2)(x−3). (a) Find all zeros. (b) The zeroes divide R into a few open intervals. Find sign of f(x) for x in each int

The receptive surface for pollen on an angiosperm flower is the (A) anther (B) corolla (C) ovary (D) style (E) stigma

solve for x of (8x+30)°(4x+18)°