If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of $ y x $ is

খ) -2 — Solution: (x+4) 2 = 9 => x + 4 = 3 x = -1 , -7 (y + 3) 2 = 25 => y + 3 = 5 y = 2 , -8 $ y x $ এর মানগুলো হলো $ 2 - 1 , - 8 - 1 , 2 - 7 , - 8 - 7 $ এদের মধ্যে $ y x $ এর সর্বনিম্ন মান $ 2 - 1 $ = -2

If (x + 4)2= 9 and (y + 3)2= 25, then the… | Answer

Subject

Bank Exam

Topic

UCBL Bank Ltd. - Management Trainee Officer - 2017

If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of $\frac{y}{x}$ is
Reading

ক)

-1

খ)

-2

গ)

-8

ঘ)

-2/7

ঙ)

None of these

Explanation

Solution: (x+4) 2 = 9 => x + 4 =

\pm

3 x = -1 , -7 (y + 3) 2 = 25 => y + 3 =

\pm

5 y = 2 , -8

\frac{y}{x}

এর মানগুলো হলো

\frac{2}{{ - 1}},\frac{{ - 8}}{{ - 1}},\frac{2}{{ - 7}},\frac{{ - 8}}{{ - 7}}

এদের মধ্যে

\frac{y}{x}

এর সর্বনিম্ন মান

\frac{2}{{ - 1}}

= -2

Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is -If there is nothing to absorb the energy of sound waves, they travel on ______, but their intensity _______ as they travel further form their source.What is the name of the first Bangladesh nano-satellite ?With a natural _____ languages, Ahad _____ German much more repidly than did his less linguistically gifted brother.which of the following is the corporate slogan of UCB ?In spite of the _____ nature of the terrain, the roads were surprisingly ______.Who has been nominated as the new Chief Election Commissioner of Bangladesh ?Rhetoric often seems to ______ over reason in a heated debate, with both sides _____ in hyperbole.

If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of yx\frac{y}{x}xy​ isReading

If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of yx\frac{y}{x}xy​ is

Explanation

Related questions

Find Tutors

If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of $\frac{y}{x}$ is
Reading

If (x + 4)2= 9 and (y + 3)2= 25, then the minimum value of $\frac{y}{x}$ is