Answer:
<h3>.May be it is -1</h3>
Step-by-step explanation:
<h3>There is no formula</h3>
Answer:
1) True 2) False
Step-by-step explanation:
1) Given 
To verify that the above equality is true or false:
Now find 
Expanding the summation we get

Now find 
Expanding the summation we get
Comparing the two series we get,
so the given equality is true.
2) Given 
Verify the above equality is true or false
Now find 
Expanding the summation we get


now find 
Expanding the summation we get


Comparing the series we get that the given equality is false.
ie, 
Equation of a circle = (y-k)^2 + (x-h)^2 = r^2, where the center is at (h, k) and r = radius
Answer:
10°, 30°, 50°
Step-by-step explanation:
the exterior angle is x°
adj interior angle is 2x°
interior angle is y
2x
so, x+y=180
y=180-x
180-x
2x
3x
180
x
60
{ x is less or equal than 60° }
Answer:
part a answer is b and part b answer is 3
Step-by-step explanation: