Question

Solve 3 equations 3a+b+c=0,-2a+b+d=0,5a+c+d=0

Answer 1

Answer:

3a+b+c=0————( 1 )

-2a+b+d=0————( 2 )

5a+c+d=0————( 3 )

(1)-(2)=>

5a+c-d=0———(4)

(3)+(4)=>

10a+2c=0

5a=-c

from(1)

-2a+b=0

b=2a

from (2)

d=0

there fore

for a=1

b=2,c=-5,d=0

for a=2

b=4,c=-10,d=0

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etc.,