To prove:
Solution:
Multiply first term by and second term by .
Using the identity:
Denominators are same, you can subtract the fractions.
Using the identity:
Using the identity:
------------ (1)
Using the identity:
------------ (2)
Equation (1) = Equation (2)
LHS = RHS
Hence proved.
Answer:
ax + by + c=0
Step-by-step explanation:
when coin is flipped 5 times probability is 1/2
so coin heads comes out to be 2.5
This is a binomial distribution with a probability of success = 0.5 (fair coin).
n=10
so
mean = E[x] = np =10*0.5 =5
Answer:
Yes, Eleri is correct
Step-by-step explanation:
In June, there was abput 48 mm on rainfall, in May, there was about 96. 48*2=96
Answer:
D
Step-by-step explanation:
The equation shows that n - 2 (2 less than a number) and then = 6