X-10>15.........................................
Answer:
x=9
Step-by-step explanation:
10x - 11 -4x = 43
6x -11 =43
6x = 54
x=9
The
correct answer is:
TrueExplanation:
1.

(Straightforward)
2.

(log to base of itself is always 1)
3.

(Using log power property)
Hence the correct option is True.
Hello,
You don't know (a-b)(a+b)=a²-b²?
(-3)²=9
(5i)²=-25
Answer 9 +25=34
Y = x^2 cos x
y' = x^2 * -sin x + cos x * 2x
= 2x cos x - x^2 sin x
= x ( 2 cos x - x sin x)