Question

What's the 12th term of -12,-7,-2,3

Answer 1

Step-by-step explanation:

a=-12,

d=-7-(-12)

d=-7+12=5

an=a+(n-1)d

=-12+11 (5)

=-12+55

=43

Answer 2

Answer:43

Step-by-step explanation:

Here,

A.p.=-12,-7,-2,-8

C.d.=a²-a¹ =-7-(-12)

=5

So,

An=a+(n-1)c.d.

A¹²=-12+(12-1)×5

A¹²= --12+55

A¹²=43

Áñß

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