Question

The pair of linear equation -3x+4y=7 and 9/2 x-6y+21/2=0 has.
a) a unique solution
b) no solution
c) two solution
d) infinite number of solution​

Answer 1

Answer:

option d) ie right

hope you understand well mark it brilliant if you understand

Answer 2

Answer:

(a) unique solution hope you satisfied

a=-3. a=9/2

b=4. b=6

c=7. c=21/2

Step-by-step explanation:

A1/à2,b1/b2,c1/C2

3/9/2,4/6,7/21/2

2/3=. 2/3=. 2/3

so because are three aree equal it have info ite solution