Question

3.5
2. (i) For which values of a and b does the following pair of linear equations boe
infinite number of solutions?
In this
linear
now e.
2x+3y=7
(a - b)x+(a + b) y= 3a + b - 2
Exam
G​

Answer 1

Answer:

Step-by-step explanation:

For infinite sollutions

2/a-b=3/a+b=7/3a+b-2

2(a+b)=3(a-b)-------------- equation 1

2a+2b=3a-3b

a=5b

3/a+b=7/3a+b-2

3/6b=7/16b-2

3*(16b-2)=7*(6b)

48b-6=42b

6b=6

b=1

a=5

Hope it helps

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