Option B: (b-a)/(b+a) is the correct answer
Step-by-step explanation:
The given expression is;

First of all we have to take LCM in both numerator and denominator
So,

The reciprocal of the denominator will be multiplied with the numerator for simplification
So,

Hence,
Option B: (b-a)/(b+a) is the correct answer
Keywords: Fractions, expressions
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Answer:
1. )
2.) The angle between v and u is 147.52°.
Step-by-step explanation:
Given:

To Find:
1. 
2.
Solution:
is scalar product given as,



Here only i.i = j.j =1 and i.j = j.i = 0
∴ 
Now, Substituting the above values we get

As it is negative mean
is in Second Quadrant Because Cosine is negative in Second Quadrant.
1. )
2.) The angle between v and u is 147.52°.
1. 5pq =5(4)(-3) = 20(-3) = -60
2. pr+q = (4)(-2) = (-3) = -8 + (-3) = -11
Answer:
Variable: t
Constant: 18
Step-by-step explanation:
A constant is the number that is known, the variable is unknown. A variable is usually denoted with a letter and a constant with digits. I hope this helps :0)