Seudónimo Seudónimo

26-04-2022
Mathematics

contestada

[tex]If \: \: a + \frac{1}{a} = 3 \: prove \: that \: {a}^{2} \frac{1}{ {a}^{2} } = 7[/tex]
.....................

Respuesta :

nsnjej9 nsnjej9

26-04-2022

Answer -

a+1/a = 3 -----(1)

a²+1/a² = 7

By doing square of equation 1

(a+1/a)² = 9

a²+1/a²+ 2 ×a × 1/a = 9 using (a+b)²=a²+b²+2ab

a²+1/a²+2=9

a² + 1/a² = 9-2

a²+1/a²= 7 Ans.

Answer Link

Otras preguntas

Under the path-goal theory of leadership, what type of leader behavior includes setting challenging goals for the employee with the expectation that those goals

Michael doesn't stop to see Christy for a couple of days to see how she will respond. This most likely took place in the ___________ stage of the relationship.

Written communication can be ______ difficult to interpret and respond to than vocal communication.

_________ who migrate have a harder time with the language barrier

Why do you think mark's responses were more helpful than offering advice to jill?

The processes of assimilation and accommodation were most clearly highlighted by?

Three times the age of Abel is four more than the age of Asare.In three years,the sum of their ages will be 30 years.Find their present ages

Beach Vacation The Pulau Payar Marine Park is located to the south of the main island of Langkawi is home to a cluster of four islands. These islands are Pulau

Guiding and motivating employees to work effectively to accomplish organizational goals and objectives, giving assignments, explaining routines, clarifying poli

What level of management is responsible for originating capital budgeting proposals?