Question

4th term of an arthemetic Sequence is 28 and common difference is 6 calculate the first term write the algebraic form

Answer 1

Answer:

first term= 10

algebraic form= 6n+4

Step-by-step explanation:

x4= 28

d=6

a+3d=28

a+(3×6)=28

a+18=28

a=28-18=10

xn= f+(n-1)d

= 10+(n-1)6

=10+ 6n-6

= 6n+4

algebraic form.

Answer 2

Answer:

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