solve this problem and give solution
Attachments:
gopspku:
is it 36 or 37 u needed
Answers
Answered by
0
Answer for 37
d=2 a=3
Step-by-step explanation:
a+3d=3a
3a-a-3d=0
2a-3d=0 -eq(1)
a+6d=2(a+2d)+1
a+6d=2a+4d+1
2a-a-6d+4d+1=0
a-2d+1=0
a-2d= -1 -eq(2)
eq(1)-2*(eq(2)) => 2a-3d=0 -
2a-4d=-2
d=2
sub value of d in eq(1): 2a-3d=0
2a-3*2=0
2a=6
a=3//
Similar questions