Question

Does
${x}^{2} - 10 = \sin(x)$
have a real solution? Explain.​

Answer 1

Step-by-step explanation:

Let f(x)=x-sin x. Then, <br>

for all

<br>

is strictly increasing on

<br>

for all

<br> and , <br>

for all

<br> Thus

for all

<br> and,

for all

<br> Thus,

for all

<br> However ,

Answer 2

Answer:

Step-by-step explanation: