Question

if X= a^2+b^2 and Y=ab+3a-b find X+Y and X-Y

Answer 1

Answer:

The final answer is

1) X + Y = $a ^ 2 + b ^ 2 + ab + 3a - b$

2) X - Y =  $a ^ 2 + b ^ 2 - ab - 3a + b$

Step-by-step explanation:

Given,

we have

X = $a ^ 2 + b ^ 2$

Y = $ab +3a - b$

We need to find to find the values of X + Y and X - Y. This is a rather simple problem and it has a simple solution. We just need to simply add the two equations and also subtract the two equations. Here it is not given to find the values of and b either. So we simply have to perform the required arithmetic operation.

1)

X + Y = $a ^ 2 + b ^ 2 + ab + 3a - b$

2)

X - Y =  $a ^ 2 + b ^ 2 - ab - 3a + b$

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