Answer and explanation:
To prove : is irrational ?
Proof :
Let is rational number.
So, It can be expressed in p/q form where, p and q are integers and q is non-zero.
Using property of logarithm,
or
Which means 11 must be divisible by 2 for some p and q,
But 11 and 2 are co-prime.
So, Our assumption is not true.
is irrational number.
Hence proved.
Answer:
B. Find the area of the triangle PQR.
Answer: 4.45 divided by 2 is 2.225
correct answer is 142
hope it helps