Question

The value of c for which the pair of equations 4x-5y +7= 0 and 2cx -10y +8=0 has no solution is

Answer 1

Step-by-step explanation:

a1=4,b1=-5,c1=7

a2=2c,b2=-10,c2=8

no solution means ,

a1/a2=b1/b2 is not equal to c1/c2

4/2c=-5/-10,-5/-10 is not equal to 7/8

10c=40

c=4