Question

Find the 7th term of an ap. whose 4th term is 5 and the common difference is -2

Answer 1

Answer:

n=7

a4=5

d=-2

a4= a+3d

5=a+3(-2)

5 =a-6

5+6=a

a=11

an= a+(n-1)d

a7=11+(7-1)-2

a7=11+6×-2

a7=11-12

a7=-1

Thank you so much I hope it may help you

pray for me

Answer 2

Answer:

hope this will help u

Step-by-step explanation:

Given, a4= 5

= a+ 3d=5

= a+3*-2=5

= a-6= 5

= a= 5+6

=a= 11

therefore, a7= a+6d

= 11+6*-2

= 11-12= -1