Simplify: (3^5)^2 / 3^-2A) 3^10B) 3^9C) 3^12D) 3^8
2 answers:
You might be interested in
Try this:
Given:
![\left \{ {{x-y=1} \ [1] \atop {x+y=3} \ [2]} \right.](https://tex.z-dn.net/?f=%20%5Cleft%20%5C%7B%20%7B%7Bx-y%3D1%7D%20%5C%20%5B1%5D%20%5Catop%20%7Bx%2By%3D3%7D%20%5C%20%5B2%5D%7D%20%5Cright.%20)
1) [1]+[2]: 2x=2 ⇒ x=2
2) [2]-[1]: 2y=1 ⇒ y=1.
3) answer: (2;1)
Given:
1) [1]+[2]: 2x=2 ⇒ x=2
2) [2]-[1]: 2y=1 ⇒ y=1.
3) answer: (2;1)
Answer:
A)2,6,10
B)2,-6,-18
C)-1,-3,-5
Step-by-step explanation:
<u>A)a1=-2 and d=4</u>
We know that the arithmetic sequence formula is
Now
Substituting the given value we get
------------------------------------------
Similarly
Substituting the given value we get
-------------------------------------------------
Substituting the given value we get
-------------------------------------------------------------------------------------------
<u>B</u><u> with
</u>
Substituting the given value
---------------------------------------------------------------------
Substituting the value
---------------------------------------------------------------------
Substituting the value
-------------------------------------------------------------------------------------------
<u>C) </u>
Here the difference is -2
the arithmetic sequence formula is
Now
Substituting the value we get
------------------------------------------------------------------------------
Substituting the value we get
----------------------------------------------------------------------------------
Substituting the value we get