Question

write the next term of AP of -1,-3,-5​

Answer 1

Answer:

t4=-7

Step-by-step explanation:

t1=a=-1. t2=-3. t3=-5. t4=?

d=t2-t1

=-3-(-1)

=-3+1

=-2

t4=t3+d

=-5+(-2)

=-7

Answer 2

Answer:

-7

Step-by-step explanation:

a= -1 d=-2

an=a+(n-1)d

a4= -1+(4-1)-2

a4= -1+(3X-2)

a4= -1+(-6)

a4= -1-6

a4=-7

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