All categories

3 years ago

Please help me! I’m begging you I’ll mark you brainly!

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

6 0

Answer:

A = 2x^2 + 11x + 15

B = 3x^2 - x - 2

A-B = -x^2 +12x +17

You might be interested in

How me a picture of a book jacket

iren2701 [21]

I have no idea what your question is! If you need to know what a book jacket is I can tell you. Or how to draw one. Please advise.

8 0

3 years ago

HIE

Nady [450]

Answer:

y = 3x-2

Step-by-step explanation:

7 0

3 years ago

Please help and thank you

Katyanochek1 [597]

Answer:

Step-by-step explanation:

Because in this equation in bracket -2 always go on right if there is positive 2 than it goes left.

And 3 goes up because it is positive. in negative it goes down

4 0

3 years ago

Does the set {t, t Int} form a fundamental set of solutions for t^2y" -- ty' +y = 0?

Ivanshal [37]

Answer:

yes

Step-by-step explanation:

We are given that a Cauchy Euler's equation

$t^2y''-ty'+y=0$ where t is not equal to zero

We are given that two solutions of given Cauchy Euler's equation are t,t ln t

We have to find the solutions are independent or dependent.

To find the solutions are independent or dependent we use wronskain

$w(x)=\begin{vmatrix}y_1&y_2\\y'_1&y'_2\end{vmatrix}$

If wrosnkian is not equal to zero then solutions are dependent and if wronskian is zero then the set of solution is independent.

Let $y_1=t,y_2=t ln t$

$y'_1=1,y'_2=lnt+1$

$w(x)=\begin{vmatrix}t&t lnt\\1&lnt+1\end{vmatrix}$

$w(x)=t(lnt+1)-tlnt=tlnt+t-tlnt=t$ where t is not equal to zero.

Hence,the wronskian is not equal to zero .Therefore, the set of solutions is independent.

Hence, the set {t , tln t} form a fundamental set of solutions for given equation.

6 0

3 years ago

Can someone help me ???

Sphinxa [80]

Rational numbers are whole integers w no fractions. bc the square root of 72 is not a whole number, it is irrational

4 0

3 years ago